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  1. Couchbase Server
  2. MB-58170

[CAPELLA] k/v rebalance stuck during scale out operation

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Details

    • Bug
    • Resolution: Fixed
    • Critical
    • 7.2.1
    • 7.2.1
    • couchbase-bucket
    • None
    • Capella

    Description

      During the testing of 7.2.1-5904 QE encountered a situation where a k/v rebalance got stuck during a scale out operation from 3 - 5 nodes.

      Output of /pools/default/tasks at the time of the reported issue:

      [
          {
              "statusId": "10150818059acce2964068ea2122a169",
              "type": "rebalance",
              "subtype": "rebalance",
              "recommendedRefreshPeriod": 0.25,
              "status": "running",
              "progress": 0,
              "perNode": {
                  "ns_1@svc-dqisea-node-005.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                      "progress": 0
                  },
                  "ns_1@svc-dqisea-node-004.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                      "progress": 0
                  },
                  "ns_1@svc-dqisea-node-003.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                      "progress": 0
                  },
                  "ns_1@svc-dqisea-node-002.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                      "progress": 0
                  },
                  "ns_1@svc-dqisea-node-001.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                      "progress": 0
                  }
              },
              "detailedProgress": {
                  "bucket": "travel-sample",
                  "bucketNumber": 1,
                  "bucketsCount": 1,
                  "perNode": {
                      "ns_1@svc-dqisea-node-005.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                          "ingoing": {
                              "docsTotal": 3168517,
                              "docsTransferred": 0,
                              "activeVBucketsLeft": 205,
                              "replicaVBucketsLeft": 205
                          },
                          "outgoing": {
                              "docsTotal": 0,
                              "docsTransferred": 0,
                              "activeVBucketsLeft": 0,
                              "replicaVBucketsLeft": 0
                          }
                      },
                      "ns_1@svc-dqisea-node-004.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                          "ingoing": {
                              "docsTotal": 3150359,
                              "docsTransferred": 0,
                              "activeVBucketsLeft": 205,
                              "replicaVBucketsLeft": 203
                          },
                          "outgoing": {
                              "docsTotal": 0,
                              "docsTransferred": 0,
                              "activeVBucketsLeft": 0,
                              "replicaVBucketsLeft": 0
                          }
                      },
                      "ns_1@svc-dqisea-node-003.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                          "ingoing": {
                              "docsTotal": 405,
                              "docsTransferred": 0,
                              "activeVBucketsLeft": 0,
                              "replicaVBucketsLeft": 0
                          },
                          "outgoing": {
                              "docsTotal": 2349783,
                              "docsTransferred": 0,
                              "activeVBucketsLeft": 137,
                              "replicaVBucketsLeft": 135
                          }
                      },
                      "ns_1@svc-dqisea-node-002.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                          "ingoing": {
                              "docsTotal": 46045,
                              "docsTransferred": 0,
                              "activeVBucketsLeft": 0,
                              "replicaVBucketsLeft": 9
                          },
                          "outgoing": {
                              "docsTotal": 2075306,
                              "docsTransferred": 0,
                              "activeVBucketsLeft": 136,
                              "replicaVBucketsLeft": 145
                          }
                      },
                      "ns_1@svc-dqisea-node-001.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                          "ingoing": {
                              "docsTotal": 39256,
                              "docsTransferred": 0,
                              "activeVBucketsLeft": 0,
                              "replicaVBucketsLeft": 11
                          },
                          "outgoing": {
                              "docsTotal": 1979493,
                              "docsTransferred": 0,
                              "activeVBucketsLeft": 137,
                              "replicaVBucketsLeft": 148
                          }
                      }
                  }
              },
              "stageInfo": {
                  "analytics": {
                      "startTime": false,
                      "completedTime": false,
                      "timeTaken": false
                  },
                  "eventing": {
                      "startTime": false,
                      "completedTime": false,
                      "timeTaken": false
                  },
                  "search": {
                      "startTime": false,
                      "completedTime": false,
                      "timeTaken": false
                  },
                  "index": {
                      "startTime": false,
                      "completedTime": false,
                      "timeTaken": false
                  },
                  "data": {
                      "startTime": "2023-08-06T19:58:05.124Z",
                      "completedTime": false,
                      "timeTaken": 41530161,
                      "details": {
                          "travel-sample": {
                              "vbucketLevelInfo": {
                                  "move": {
                                      "averageTime": 0,
                                      "totalCount": 654,
                                      "remainingCount": 654
                                  },
                                  "backfill": {
                                      "averageTime": 0
                                  },
                                  "takeover": {
                                      "averageTime": 0
                                  },
                                  "persistence": {
                                      "averageTime": 0
                                  }
                              },
                              "replicationInfo": {
                                  "ns_1@svc-dqisea-node-001.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                                      "inDocsTotal": 39256,
                                      "inDocsLeft": 39256,
                                      "outDocsTotal": 1979493,
                                      "outDocsLeft": 1979493
                                  },
                                  "ns_1@svc-dqisea-node-002.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                                      "inDocsTotal": 46045,
                                      "inDocsLeft": 46045,
                                      "outDocsTotal": 2075306,
                                      "outDocsLeft": 2075306
                                  },
                                  "ns_1@svc-dqisea-node-004.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                                      "inDocsTotal": 3150359,
                                      "inDocsLeft": 3150359,
                                      "outDocsTotal": 0,
                                      "outDocsLeft": 0
                                  },
                                  "ns_1@svc-dqisea-node-005.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                                      "inDocsTotal": 3168517,
                                      "inDocsLeft": 3168517,
                                      "outDocsTotal": 0,
                                      "outDocsLeft": 0
                                  },
                                  "ns_1@svc-dqisea-node-003.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                                      "inDocsTotal": 405,
                                      "inDocsLeft": 405,
                                      "outDocsTotal": 2349783,
                                      "outDocsLeft": 2349783
                                  }
                              },
                              "startTime": "2023-08-06T19:58:06.771Z",
                              "completedTime": false,
                              "timeTaken": 41528514
                          }
                      }
                  },
                  "query": {
                      "startTime": false,
                      "completedTime": false,
                      "timeTaken": false
                  }
              },
              "rebalanceId": "b8ed5c2648b6498f870e5150bea66185",
              "nodesInfo": {
                  "active_nodes": [
                      "ns_1@svc-dqisea-node-001.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com",
                      "ns_1@svc-dqisea-node-002.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com",
                      "ns_1@svc-dqisea-node-003.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com",
                      "ns_1@svc-dqisea-node-004.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com",
                      "ns_1@svc-dqisea-node-005.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com"
                  ],
                  "keep_nodes": [
                      "ns_1@svc-dqisea-node-001.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com",
                      "ns_1@svc-dqisea-node-002.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com",
                      "ns_1@svc-dqisea-node-003.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com",
                      "ns_1@svc-dqisea-node-004.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com",
                      "ns_1@svc-dqisea-node-005.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com"
                  ],
                  "eject_nodes": [],
                  "delta_nodes": [],
                  "failed_nodes": []
              },
              "masterNode": "ns_1@svc-dqisea-node-003.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com"
          },
          {
              "node": "ns_1@svc-dqisea-node-003.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com",
              "type": "clusterLogsCollection",
              "perNode": {
                  "ns_1@svc-dqisea-node-001.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                      "path": "/opt/couchbase/var/lib/couchbase/tmp/collectinfo-2023-08-07T055301-ns_1@svc-dqisea-node-001.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com-redacted.zip",
                      "status": "uploaded",
                      "url": "https://cb-engineering.s3.amazonaws.com/aman/collectinfo-2023-08-07T055301-ns_1%40svc-dqisea-node-001.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com-redacted.zip"
                  },
                  "ns_1@svc-dqisea-node-002.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                      "path": "/opt/couchbase/var/lib/couchbase/tmp/collectinfo-2023-08-07T055301-ns_1@svc-dqisea-node-002.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com-redacted.zip",
                      "status": "uploaded",
                      "url": "https://cb-engineering.s3.amazonaws.com/aman/collectinfo-2023-08-07T055301-ns_1%40svc-dqisea-node-002.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com-redacted.zip"
                  },
                  "ns_1@svc-dqisea-node-003.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                      "path": "/opt/couchbase/var/lib/couchbase/tmp/collectinfo-2023-08-07T055301-ns_1@svc-dqisea-node-003.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com-redacted.zip",
                      "status": "uploaded",
                      "url": "https://cb-engineering.s3.amazonaws.com/aman/collectinfo-2023-08-07T055301-ns_1%40svc-dqisea-node-003.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com-redacted.zip"
                  },
                  "ns_1@svc-dqisea-node-004.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                      "path": "/opt/couchbase/var/lib/couchbase/tmp/collectinfo-2023-08-07T055301-ns_1@svc-dqisea-node-004.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com-redacted.zip",
                      "status": "uploaded",
                      "url": "https://cb-engineering.s3.amazonaws.com/aman/collectinfo-2023-08-07T055301-ns_1%40svc-dqisea-node-004.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com-redacted.zip"
                  },
                  "ns_1@svc-dqisea-node-005.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com": {
                      "path": "/opt/couchbase/var/lib/couchbase/tmp/collectinfo-2023-08-07T055301-ns_1@svc-dqisea-node-005.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com-redacted.zip",
                      "status": "uploaded",
                      "url": "https://cb-engineering.s3.amazonaws.com/aman/collectinfo-2023-08-07T055301-ns_1%40svc-dqisea-node-005.kzyut3zkiogzbaup.sandbox.nonprod-project-avengers.com-redacted.zip"
                  }
              },
              "progress": 100,
              "ts": "2023-08-07 05:53:01",
              "status": "completed"
          }
      ] 

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              ritam.sharma Ritam Sharma
              shelby.ramsey Shelby Ramsey
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              Dates

                Created:
                Updated:
                Resolved:

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