{ "type": "excalidraw", "version": 2, "source": "https://excalidraw.com", "elements": [ { "id": "375ccaa7", "type": "rectangle", "x": 60, "y": 40, "width": 3080, "height": 140, "angle": 0, "strokeColor": "#334155", "backgroundColor": "#0f172a", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2001, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "9ab69072", "type": "text", "x": 96, "y": 75, "width": 907, "height": 37, "angle": 0, "strokeColor": "#f8fafc", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2002, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "AeroStream Cluster Topology & Zero-Downtime Scale-Down", "fontSize": 28, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 23, "containerId": null, "originalText": "AeroStream Cluster Topology & Zero-Downtime Scale-Down", "lineHeight": 1.25 }, { "id": "881f4b72", "type": "text", "x": 96, "y": 125, "width": 854, "height": 21, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2003, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "3-Node Raft Consensus Quorum, Multi-Broker Storage Mesh, and Automated Partition Draining", "fontSize": 16, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 13, "containerId": null, "originalText": "3-Node Raft Consensus Quorum, Multi-Broker Storage Mesh, and Automated Partition Draining", "lineHeight": 1.25 }, { "id": "47475260", "type": "rectangle", "x": 60, "y": 220, "width": 3080, "height": 480, "angle": 0, "strokeColor": "#0284c7", "backgroundColor": "#0b1329", "fillStyle": "solid", "strokeWidth": 3, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2004, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "3169a66f", "type": "text", "x": 96, "y": 256, "width": 835, "height": 32, "angle": 0, "strokeColor": "#38bdf8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2005, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "1. CONTROL PLANE: 3-NODE RAFT CONSENSUS QUORUM (PORT 7001)", "fontSize": 24, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 20, "containerId": null, "originalText": "1. CONTROL PLANE: 3-NODE RAFT CONSENSUS QUORUM (PORT 7001)", "lineHeight": 1.25 }, { "id": "bc41de34", "type": "text", "x": 96, "y": 290, "width": 1044, "height": 20, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2006, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Maintains linearizable cluster metadata, topic partition layouts, and broker lease state with 2/3 majority consensus", "fontSize": 15, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 12, "containerId": null, "originalText": "Maintains linearizable cluster metadata, topic partition layouts, and broker lease state with 2/3 majority consensus", "lineHeight": 1.25 }, { "id": "5819eeb3", "type": "rectangle", "x": 100, "y": 340, "width": 940, "height": 320, "angle": 0, "strokeColor": "#334155", "backgroundColor": "#131d31", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2007, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "67f2f980", "type": "text", "x": 120, "y": 356, "width": 280, "height": 24, "angle": 0, "strokeColor": "#38bdf8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2008, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Controller 1 (Raft Leader)", "fontSize": 18, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 15, "containerId": null, "originalText": "Controller 1 (Raft Leader)", "lineHeight": 1.25 }, { "id": "26b41f5e", "type": "text", "x": 120, "y": 384, "width": 296, "height": 20, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2009, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Elected Leader \u2022 Terms & Proclamations", "fontSize": 13, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "Elected Leader \u2022 Terms & Proclamations", "lineHeight": 1.25 }, { "id": "ca363500", "type": "text", "x": 120, "y": 408, "width": 495, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2010, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Port 7001 (Raft) \u2022 Port 8001 (gRPC) \u2022 Port 9001 (REST/UI)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Port 7001 (Raft) \u2022 Port 8001 (gRPC) \u2022 Port 9001 (REST/UI)", "lineHeight": 1.25 }, { "id": "0f6de3b0", "type": "text", "x": 120, "y": 430, "width": 411, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2011, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Coordinates Raft consensus writes to BoltDB FSM", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Coordinates Raft consensus writes to BoltDB FSM", "lineHeight": 1.25 }, { "id": "7afbab13", "type": "text", "x": 120, "y": 452, "width": 436, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2012, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Manages active broker lease table & health sweeper", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Manages active broker lease table & health sweeper", "lineHeight": 1.25 }, { "id": "cb29b605", "type": "text", "x": 120, "y": 474, "width": 562, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2013, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Processes scale-down drain requests: POST /api/brokers/{id}/drain", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Processes scale-down drain requests: POST /api/brokers/{id}/drain", "lineHeight": 1.25 }, { "id": "d4f7521f", "type": "arrow", "x": 1040, "y": 480, "width": 80, "height": 0, "angle": 0, "strokeColor": "#818cf8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 3, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 2014, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 80, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "92778316", "type": "text", "x": 1005.0, "y": 460.0, "width": 179, "height": 20, "angle": 0, "strokeColor": "#818cf8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2015, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Raft AppendEntries (7001)", "fontSize": 12, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 10, "containerId": null, "originalText": "Raft AppendEntries (7001)", "lineHeight": 1.25 }, { "id": "cbd0881e", "type": "rectangle", "x": 1120, "y": 340, "width": 940, "height": 320, "angle": 0, "strokeColor": "#334155", "backgroundColor": "#131d31", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2016, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "5a1bcf0a", "type": "text", "x": 1140, "y": 356, "width": 302, "height": 24, "angle": 0, "strokeColor": "#818cf8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2017, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Controller 2 (Raft Follower)", "fontSize": 18, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 15, "containerId": null, "originalText": "Controller 2 (Raft Follower)", "lineHeight": 1.25 }, { "id": "ddd24a39", "type": "text", "x": 1140, "y": 384, "width": 226, "height": 20, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2018, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Quorum Follower \u2022 Hot Standby", "fontSize": 13, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "Quorum Follower \u2022 Hot Standby", "lineHeight": 1.25 }, { "id": "7cead6d4", "type": "text", "x": 1140, "y": 408, "width": 495, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2019, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Port 7001 (Raft) \u2022 Port 8001 (gRPC) \u2022 Port 9001 (REST/UI)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Port 7001 (Raft) \u2022 Port 8001 (gRPC) \u2022 Port 9001 (REST/UI)", "lineHeight": 1.25 }, { "id": "d0530ecc", "type": "text", "x": 1140, "y": 430, "width": 428, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2020, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Maintains replicated BoltDB metadata log snapshot", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Maintains replicated BoltDB metadata log snapshot", "lineHeight": 1.25 }, { "id": "911a7790", "type": "text", "x": 1140, "y": 452, "width": 478, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2021, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Participates in Raft log consensus votes (Majority 2/3)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Participates in Raft log consensus votes (Majority 2/3)", "lineHeight": 1.25 }, { "id": "d5abbf96", "type": "text", "x": 1140, "y": 474, "width": 512, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2022, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Instantaneous leader election candidate upon Leader failure", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Instantaneous leader election candidate upon Leader failure", "lineHeight": 1.25 }, { "id": "095deb52", "type": "arrow", "x": 2060, "y": 480, "width": 80, "height": 0, "angle": 0, "strokeColor": "#818cf8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 3, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 2023, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 80, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "d2d723f9", "type": "text", "x": 2025.0, "y": 460.0, "width": 179, "height": 20, "angle": 0, "strokeColor": "#818cf8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2024, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Raft AppendEntries (7001)", "fontSize": 12, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 10, "containerId": null, "originalText": "Raft AppendEntries (7001)", "lineHeight": 1.25 }, { "id": "c02719f0", "type": "rectangle", "x": 2140, "y": 340, "width": 940, "height": 320, "angle": 0, "strokeColor": "#334155", "backgroundColor": "#131d31", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2025, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "bf37bac6", "type": "text", "x": 2160, "y": 356, "width": 302, "height": 24, "angle": 0, "strokeColor": "#818cf8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2026, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Controller 3 (Raft Follower)", "fontSize": 18, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 15, "containerId": null, "originalText": "Controller 3 (Raft Follower)", "lineHeight": 1.25 }, { "id": "620257d2", "type": "text", "x": 2160, "y": 384, "width": 226, "height": 20, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2027, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Quorum Follower \u2022 Hot Standby", "fontSize": 13, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "Quorum Follower \u2022 Hot Standby", "lineHeight": 1.25 }, { "id": "614d7358", "type": "text", "x": 2160, "y": 408, "width": 495, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2028, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Port 7001 (Raft) \u2022 Port 8001 (gRPC) \u2022 Port 9001 (REST/UI)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Port 7001 (Raft) \u2022 Port 8001 (gRPC) \u2022 Port 9001 (REST/UI)", "lineHeight": 1.25 }, { "id": "44b392e6", "type": "text", "x": 2160, "y": 430, "width": 428, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2029, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Maintains replicated BoltDB metadata log snapshot", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Maintains replicated BoltDB metadata log snapshot", "lineHeight": 1.25 }, { "id": "9129c946", "type": "text", "x": 2160, "y": 452, "width": 478, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2030, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Participates in Raft log consensus votes (Majority 2/3)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Participates in Raft log consensus votes (Majority 2/3)", "lineHeight": 1.25 }, { "id": "ca6ee4a8", "type": "text", "x": 2160, "y": 474, "width": 487, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2031, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Prevents split-brain scenarios across availability zones", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Prevents split-brain scenarios across availability zones", "lineHeight": 1.25 }, { "id": "c530952e", "type": "rectangle", "x": 60, "y": 740, "width": 3080, "height": 580, "angle": 0, "strokeColor": "#059669", "backgroundColor": "#0b1329", "fillStyle": "solid", "strokeWidth": 3, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2032, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "b17104d4", "type": "text", "x": 96, "y": 776, "width": 964, "height": 32, "angle": 0, "strokeColor": "#34d399", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2033, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "2. DATA PLANE: MULTI-BROKER STORAGE MESH WITH PARTITION REPLICATION", "fontSize": 24, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 20, "containerId": null, "originalText": "2. DATA PLANE: MULTI-BROKER STORAGE MESH WITH PARTITION REPLICATION", "lineHeight": 1.25 }, { "id": "70e86664", "type": "text", "x": 96, "y": 810, "width": 918, "height": 20, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2034, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Topic partitions replicated across racks. Shows Partition 0, 1, and 2 distributed with active ISR sets", "fontSize": 15, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 12, "containerId": null, "originalText": "Topic partitions replicated across racks. Shows Partition 0, 1, and 2 distributed with active ISR sets", "lineHeight": 1.25 }, { "id": "0581edf1", "type": "rectangle", "x": 100, "y": 860, "width": 940, "height": 420, "angle": 0, "strokeColor": "#334155", "backgroundColor": "#131d31", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2035, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "19080e13", "type": "text", "x": 120, "y": 876, "width": 280, "height": 24, "angle": 0, "strokeColor": "#34d399", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2036, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Broker 1 (Rack us-east-1a)", "fontSize": 18, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 15, "containerId": null, "originalText": "Broker 1 (Rack us-east-1a)", "lineHeight": 1.25 }, { "id": "db6fec53", "type": "text", "x": 120, "y": 904, "width": 163, "height": 20, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2037, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Active Node \u2022 Healthy", "fontSize": 13, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "Active Node \u2022 Healthy", "lineHeight": 1.25 }, { "id": "8cc1639a", "type": "text", "x": 120, "y": 928, "width": 336, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2038, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Port 9091 (Native) \u2022 Port 9092 (Kafka)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Port 9091 (Native) \u2022 Port 9092 (Kafka)", "lineHeight": 1.25 }, { "id": "97029d1c", "type": "text", "x": 120, "y": 950, "width": 411, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2039, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 LEADER: Topic 'orders' Partition 0 (LEO: 10450)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 LEADER: Topic 'orders' Partition 0 (LEO: 10450)", "lineHeight": 1.25 }, { "id": "9bf8b9d1", "type": "text", "x": 120, "y": 972, "width": 420, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2040, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 FOLLOWER: Topic 'orders' Partition 1 (LEO: 8900)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 FOLLOWER: Topic 'orders' Partition 1 (LEO: 8900)", "lineHeight": 1.25 }, { "id": "bb244c12", "type": "text", "x": 120, "y": 994, "width": 428, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2041, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 FOLLOWER: Topic 'orders' Partition 2 (LEO: 14200)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 FOLLOWER: Topic 'orders' Partition 2 (LEO: 14200)", "lineHeight": 1.25 }, { "id": "01b6102c", "type": "text", "x": 120, "y": 1016, "width": 336, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2042, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Status: HEALTHY \u2022 Disk Usage: 42% NVMe", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Status: HEALTHY \u2022 Disk Usage: 42% NVMe", "lineHeight": 1.25 }, { "id": "ea5c56ff", "type": "rectangle", "x": 1120, "y": 860, "width": 940, "height": 420, "angle": 0, "strokeColor": "#334155", "backgroundColor": "#131d31", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2043, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "111c0a31", "type": "text", "x": 1140, "y": 876, "width": 280, "height": 24, "angle": 0, "strokeColor": "#34d399", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2044, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Broker 2 (Rack us-east-1b)", "fontSize": 18, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 15, "containerId": null, "originalText": "Broker 2 (Rack us-east-1b)", "lineHeight": 1.25 }, { "id": "1a215bfd", "type": "text", "x": 1140, "y": 904, "width": 163, "height": 20, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2045, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Active Node \u2022 Healthy", "fontSize": 13, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "Active Node \u2022 Healthy", "lineHeight": 1.25 }, { "id": "cadc9fde", "type": "text", "x": 1140, "y": 928, "width": 336, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2046, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Port 9091 (Native) \u2022 Port 9092 (Kafka)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Port 9091 (Native) \u2022 Port 9092 (Kafka)", "lineHeight": 1.25 }, { "id": "19d43c81", "type": "text", "x": 1140, "y": 950, "width": 403, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2047, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 LEADER: Topic 'orders' Partition 1 (LEO: 8900)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 LEADER: Topic 'orders' Partition 1 (LEO: 8900)", "lineHeight": 1.25 }, { "id": "3e08aeec", "type": "text", "x": 1140, "y": 972, "width": 428, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2048, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 FOLLOWER: Topic 'orders' Partition 0 (LEO: 10450)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 FOLLOWER: Topic 'orders' Partition 0 (LEO: 10450)", "lineHeight": 1.25 }, { "id": "183e436d", "type": "text", "x": 1140, "y": 994, "width": 428, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2049, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 FOLLOWER: Topic 'orders' Partition 2 (LEO: 14200)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 FOLLOWER: Topic 'orders' Partition 2 (LEO: 14200)", "lineHeight": 1.25 }, { "id": "f2ff4863", "type": "text", "x": 1140, "y": 1016, "width": 336, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2050, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Status: HEALTHY \u2022 Disk Usage: 39% NVMe", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Status: HEALTHY \u2022 Disk Usage: 39% NVMe", "lineHeight": 1.25 }, { "id": "09aee89d", "type": "rectangle", "x": 2140, "y": 860, "width": 940, "height": 420, "angle": 0, "strokeColor": "#334155", "backgroundColor": "#131d31", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2051, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "0e85f5ed", "type": "text", "x": 2160, "y": 876, "width": 280, "height": 24, "angle": 0, "strokeColor": "#fb7185", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2052, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Broker 3 (Rack us-east-1c)", "fontSize": 18, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 15, "containerId": null, "originalText": "Broker 3 (Rack us-east-1c)", "lineHeight": 1.25 }, { "id": "59e7d44f", "type": "text", "x": 2160, "y": 904, "width": 273, "height": 20, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2053, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "TARGET SCALE-DOWN BROKER (DRAINING)", "fontSize": 13, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "TARGET SCALE-DOWN BROKER (DRAINING)", "lineHeight": 1.25 }, { "id": "4f60d372", "type": "text", "x": 2160, "y": 928, "width": 336, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2054, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Port 9091 (Native) \u2022 Port 9092 (Kafka)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Port 9091 (Native) \u2022 Port 9092 (Kafka)", "lineHeight": 1.25 }, { "id": "a612053b", "type": "text", "x": 2160, "y": 950, "width": 487, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2055, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 ORIGINAL LEADER: Topic 'orders' Partition 2 (LEO: 14200)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 ORIGINAL LEADER: Topic 'orders' Partition 2 (LEO: 14200)", "lineHeight": 1.25 }, { "id": "f876a42e", "type": "text", "x": 2160, "y": 972, "width": 302, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2056, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 TARGET FOR DECOMMISSIONING / DRAIN", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 TARGET FOR DECOMMISSIONING / DRAIN", "lineHeight": 1.25 }, { "id": "c53d0f9b", "type": "text", "x": 2160, "y": 994, "width": 428, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2057, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 All partitions migrating to Broker 1 and Broker 2", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 All partitions migrating to Broker 1 and Broker 2", "lineHeight": 1.25 }, { "id": "2c2aaa28", "type": "text", "x": 2160, "y": 1016, "width": 386, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2058, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Status: DRAINING \u2022 POST /api/brokers/3/drain", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Status: DRAINING \u2022 POST /api/brokers/3/drain", "lineHeight": 1.25 }, { "id": "638ae3e5", "type": "arrow", "x": 1040, "y": 1040, "width": 80, "height": 0, "angle": 0, "strokeColor": "#34d399", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 3, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 2059, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 80, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "39063c0a", "type": "text", "x": 1026.0, "y": 1020.0, "width": 129, "height": 20, "angle": 0, "strokeColor": "#34d399", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2060, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Cmd 3 ReplicaFetch", "fontSize": 12, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 10, "containerId": null, "originalText": "Cmd 3 ReplicaFetch", "lineHeight": 1.25 }, { "id": "0734269d", "type": "arrow", "x": 2080, "y": 1040, "width": 80, "height": 0, "angle": 0, "strokeColor": "#fb7185", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 3, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 2061, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 80, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "e5fdc87b", "type": "text", "x": 2045.0, "y": 1020.0, "width": 179, "height": 20, "angle": 0, "strokeColor": "#fb7185", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2062, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Drain Replication Handoff", "fontSize": 12, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 10, "containerId": null, "originalText": "Drain Replication Handoff", "lineHeight": 1.25 }, { "id": "d6eecc26", "type": "rectangle", "x": 60, "y": 1360, "width": 3080, "height": 750, "angle": 0, "strokeColor": "#fbbf24", "backgroundColor": "#0b1329", "fillStyle": "solid", "strokeWidth": 3, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2063, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "9eaf869a", "type": "text", "x": 96, "y": 1396, "width": 820, "height": 32, "angle": 0, "strokeColor": "#fbbf24", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2064, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "3. STEP-BY-STEP ZERO-DOWNTIME SCALE-DOWN & DRAIN WORKFLOW", "fontSize": 24, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 20, "containerId": null, "originalText": "3. STEP-BY-STEP ZERO-DOWNTIME SCALE-DOWN & DRAIN WORKFLOW", "lineHeight": 1.25 }, { "id": "4ec7a39e", "type": "text", "x": 96, "y": 1430, "width": 936, "height": 20, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2065, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "How AeroStream cleanly drains a node without dropping messages, corrupting logs, or interrupting clients", "fontSize": 15, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 12, "containerId": null, "originalText": "How AeroStream cleanly drains a node without dropping messages, corrupting logs, or interrupting clients", "lineHeight": 1.25 }, { "id": "9adecb7b", "type": "rectangle", "x": 100, "y": 1480, "width": 470, "height": 580, "angle": 0, "strokeColor": "#334155", "backgroundColor": "#131d31", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2066, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "a7cc9bfb", "type": "text", "x": 120, "y": 1496, "width": 226, "height": 24, "angle": 0, "strokeColor": "#fbbf24", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2067, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Step 1: Drain Trigger", "fontSize": 18, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 15, "containerId": null, "originalText": "Step 1: Drain Trigger", "lineHeight": 1.25 }, { "id": "531de1a9", "type": "text", "x": 120, "y": 1524, "width": 195, "height": 20, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2068, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "POST /api/brokers/3/drain", "fontSize": 13, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "POST /api/brokers/3/drain", "lineHeight": 1.25 }, { "id": "a1aa7dbd", "type": "text", "x": 120, "y": 1548, "width": 495, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2069, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Operator or Kubernetes auto-scaler calls /drain endpoint.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Operator or Kubernetes auto-scaler calls /drain endpoint.", "lineHeight": 1.25 }, { "id": "a3ffe63a", "type": "text", "x": 120, "y": 1570, "width": 470, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2070, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Controller verifies cluster quorum & healthy replicas.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Controller verifies cluster quorum & healthy replicas.", "lineHeight": 1.25 }, { "id": "cde07786", "type": "text", "x": 120, "y": 1592, "width": 462, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2071, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Broker 3 status updated to DRAINING in Raft metadata.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Broker 3 status updated to DRAINING in Raft metadata.", "lineHeight": 1.25 }, { "id": "23d73065", "type": "arrow", "x": 570, "y": 1740, "width": 36, "height": 0, "angle": 0, "strokeColor": "#fbbf24", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 3, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 2072, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 36, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "769bfff5", "type": "rectangle", "x": 606, "y": 1480, "width": 470, "height": 580, "angle": 0, "strokeColor": "#334155", "backgroundColor": "#131d31", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2073, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "dfdddde9", "type": "text", "x": 626, "y": 1496, "width": 280, "height": 24, "angle": 0, "strokeColor": "#fbbf24", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2074, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Step 2: Reject New Traffic", "fontSize": 18, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 15, "containerId": null, "originalText": "Step 2: Reject New Traffic", "lineHeight": 1.25 }, { "id": "769cb69b", "type": "text", "x": 626, "y": 1524, "width": 117, "height": 20, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2075, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Ingress Fencing", "fontSize": 13, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "Ingress Fencing", "lineHeight": 1.25 }, { "id": "39d76243", "type": "text", "x": 626, "y": 1548, "width": 504, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2076, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Controller fences Broker 3 from new partition allocations.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Controller fences Broker 3 from new partition allocations.", "lineHeight": 1.25 }, { "id": "bc2cfde6", "type": "text", "x": 626, "y": 1570, "width": 361, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2077, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Kafka metadata marks Broker 3 as leaving.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Kafka metadata marks Broker 3 as leaving.", "lineHeight": 1.25 }, { "id": "fe4d3dc7", "type": "text", "x": 626, "y": 1592, "width": 411, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2078, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Client SDKs redirect new connection handshakes.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Client SDKs redirect new connection handshakes.", "lineHeight": 1.25 }, { "id": "2239b8d0", "type": "arrow", "x": 1076, "y": 1740, "width": 36, "height": 0, "angle": 0, "strokeColor": "#fbbf24", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 3, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 2079, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 36, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "383beda7", "type": "rectangle", "x": 1112, "y": 1480, "width": 470, "height": 580, "angle": 0, "strokeColor": "#334155", "backgroundColor": "#131d31", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2080, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "3c00d7e7", "type": "text", "x": 1132, "y": 1496, "width": 248, "height": 24, "angle": 0, "strokeColor": "#38bdf8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2081, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Step 3: Leadership Move", "fontSize": 18, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 15, "containerId": null, "originalText": "Step 3: Leadership Move", "lineHeight": 1.25 }, { "id": "e1326f47", "type": "text", "x": 1132, "y": 1524, "width": 124, "height": 20, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2082, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Reassign Leaders", "fontSize": 13, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "Reassign Leaders", "lineHeight": 1.25 }, { "id": "eea52b84", "type": "text", "x": 1132, "y": 1548, "width": 495, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2083, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Controller elects Broker 1 as new Leader for Partition 2.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Controller elects Broker 1 as new Leader for Partition 2.", "lineHeight": 1.25 }, { "id": "ed631182", "type": "text", "x": 1132, "y": 1570, "width": 420, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2084, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Broker 3 steps down to Follower role gracefully.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Broker 3 steps down to Follower role gracefully.", "lineHeight": 1.25 }, { "id": "5a391d8f", "type": "text", "x": 1132, "y": 1592, "width": 420, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2085, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Inflight produces finish with zero lost offsets.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Inflight produces finish with zero lost offsets.", "lineHeight": 1.25 }, { "id": "42340039", "type": "arrow", "x": 1582, "y": 1740, "width": 36, "height": 0, "angle": 0, "strokeColor": "#fbbf24", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 3, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 2086, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 36, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "229a1a11", "type": "rectangle", "x": 1618, "y": 1480, "width": 470, "height": 580, "angle": 0, "strokeColor": "#334155", "backgroundColor": "#131d31", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2087, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "9749c74a", "type": "text", "x": 1638, "y": 1496, "width": 226, "height": 24, "angle": 0, "strokeColor": "#34d399", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2088, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Step 4: Catch-Up Sync", "fontSize": 18, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 15, "containerId": null, "originalText": "Step 4: Catch-Up Sync", "lineHeight": 1.25 }, { "id": "5bbaea5a", "type": "text", "x": 1638, "y": 1524, "width": 163, "height": 20, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2089, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Full Replica Catch-up", "fontSize": 13, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "Full Replica Catch-up", "lineHeight": 1.25 }, { "id": "ccc31b27", "type": "text", "x": 1638, "y": 1548, "width": 436, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2090, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Broker 1 & 2 pull remaining un-replicated records.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Broker 1 & 2 pull remaining un-replicated records.", "lineHeight": 1.25 }, { "id": "d2593be7", "type": "text", "x": 1638, "y": 1570, "width": 512, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2091, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Replica lag reaches exactly 0 (LEO_follower == LEO_leader).", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Replica lag reaches exactly 0 (LEO_follower == LEO_leader).", "lineHeight": 1.25 }, { "id": "7f769282", "type": "text", "x": 1638, "y": 1592, "width": 336, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2092, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 High Watermark confirmed synchronized.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 High Watermark confirmed synchronized.", "lineHeight": 1.25 }, { "id": "f753101b", "type": "arrow", "x": 2088, "y": 1740, "width": 36, "height": 0, "angle": 0, "strokeColor": "#fbbf24", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 3, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 2093, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 36, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "9e07f113", "type": "rectangle", "x": 2124, "y": 1480, "width": 470, "height": 580, "angle": 0, "strokeColor": "#334155", "backgroundColor": "#131d31", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2094, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "2dd8bf9f", "type": "text", "x": 2144, "y": 1496, "width": 237, "height": 24, "angle": 0, "strokeColor": "#a855f7", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2095, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Step 5: ISR Set Update", "fontSize": 18, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 15, "containerId": null, "originalText": "Step 5: ISR Set Update", "lineHeight": 1.25 }, { "id": "9be671fd", "type": "text", "x": 2144, "y": 1524, "width": 156, "height": 20, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2096, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Raft Metadata Commit", "fontSize": 13, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "Raft Metadata Commit", "lineHeight": 1.25 }, { "id": "43324c0b", "type": "text", "x": 2144, "y": 1548, "width": 445, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2097, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Controller proposes CmdUpdateISR removing Broker 3.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Controller proposes CmdUpdateISR removing Broker 3.", "lineHeight": 1.25 }, { "id": "b71d8a8b", "type": "text", "x": 2144, "y": 1570, "width": 470, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2098, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Raft commits new topology: ISR = [Broker 1, Broker 2].", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Raft commits new topology: ISR = [Broker 1, Broker 2].", "lineHeight": 1.25 }, { "id": "56de0f38", "type": "text", "x": 2144, "y": 1592, "width": 378, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2099, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Updated topology broadcast via gRPC stream.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Updated topology broadcast via gRPC stream.", "lineHeight": 1.25 }, { "id": "8164ccc7", "type": "arrow", "x": 2594, "y": 1740, "width": 36, "height": 0, "angle": 0, "strokeColor": "#fbbf24", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 3, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 2100, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 36, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "42ef35bb", "type": "rectangle", "x": 2630, "y": 1480, "width": 470, "height": 580, "angle": 0, "strokeColor": "#334155", "backgroundColor": "#131d31", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 2101, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false }, { "id": "43860ee5", "type": "text", "x": 2650, "y": 1496, "width": 226, "height": 24, "angle": 0, "strokeColor": "#34d399", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2102, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Step 6: Safe Shutdown", "fontSize": 18, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 15, "containerId": null, "originalText": "Step 6: Safe Shutdown", "lineHeight": 1.25 }, { "id": "42fa895a", "type": "text", "x": 2650, "y": 1524, "width": 140, "height": 20, "angle": 0, "strokeColor": "#94a3b8", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2103, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "Clean Process Exit", "fontSize": 13, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "Clean Process Exit", "lineHeight": 1.25 }, { "id": "27591142", "type": "text", "x": 2650, "y": 1548, "width": 428, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2104, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Broker 3 flushes all active segment mmap buffers.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Broker 3 flushes all active segment mmap buffers.", "lineHeight": 1.25 }, { "id": "da06a721", "type": "text", "x": 2650, "y": 1570, "width": 386, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2105, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 sync_file_range flushes dirty pages to NVMe.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 sync_file_range flushes dirty pages to NVMe.", "lineHeight": 1.25 }, { "id": "0e91ed2e", "type": "text", "x": 2650, "y": 1592, "width": 420, "height": 20, "angle": 0, "strokeColor": "#cbd5e1", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 0, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 2106, "version": 1, "versionNonce": 1, "isDeleted": false, "boundElements": null, "updated": 1, "link": null, "locked": false, "text": "\u2022 Broker 3 process exits cleanly with exit code 0.", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "baseline": 11, "containerId": null, "originalText": "\u2022 Broker 3 process exits cleanly with exit code 0.", "lineHeight": 1.25 } ], "appState": { "gridSize": null, "viewBackgroundColor": "#0b0f19" }, "files": {} }