Uploaded image for project: 'Couchbase Server'
  1. Couchbase Server
  2. MB-59582

Out of sync DCP states may cause Analytics service to fail rebalances indefinitely

    XMLWordPrintable

Details

    • Untriaged
    • 0
    • Unknown
    • Analytics Sprint 32

    Description

      Found this server issue in during 7.2.3 Capella testing - 

      An aws cluster with ami - couchbase-cloud-server-7.2.3-6705-x86_64-v1.0.24 failed to rebalance after a node was randomly killed and a new node spawned up but the rebalance failed.

      recurring error in the server logs-
      Rebalance exited with reason {service_rebalance_failed,cbas, {worker_died, {'EXIT',<0.22011.134>, {rebalance_failed,

      {service_error, <<"Rebalance 1e1b4d83a9b8b3d3f1ef591ad3186b91 failed: CBAS0001: Analytics collection `travel-sample`.inventory.airport in different partitions has different DCP states. Seqno gap = 2. User action: Try again later">>}

      }}}}.

      cluster can be found here - https://ui.sbx-3.sandbox.nonprod-project-avengers.com/database/datatools?oid=259d212d-002f-40cb-9d87-dcc138110c8c&pid=42270d0b-d978-4f19-b3d1-c833193668fc&dbid=acc8336e-afcf-46d3-bec1-8acafa6dd124

      dd logs - https://app.datadoghq.com/logs?query=%40clusterId%3Aacc8336e-afcf-46d3-bec1-8acafa6dd124 &cols=host%2Cservice&index=*&messageDisplay=inline&refresh_mode=sliding&stream_sort=desc&viz=stream&from_ts=1699521768839&to_ts=1699525368839&live=true
      server logs -
      https://cb-engineering.s3.amazonaws.com/Aman/collectinfo-2023-11-09T095131-ns_1%40svc-dqisea-node-001.t9msz82bn5isouab.sandbox.nonprod-project-avengers.com.zip

      https://cb-engineering.s3.amazonaws.com/Aman/collectinfo-2023-11-09T095131-ns_1%40svc-dqisea-node-002.t9msz82bn5isouab.sandbox.nonprod-project-avengers.com.zip

      https://cb-engineering.s3.amazonaws.com/Aman/collectinfo-2023-11-09T095131-ns_1%40svc-dqisea-node-003.t9msz82bn5isouab.sandbox.nonprod-project-avengers.com.zip

      https://cb-engineering.s3.amazonaws.com/Aman/collectinfo-2023-11-09T095131-ns_1%40svc-dqisea-node-004.t9msz82bn5isouab.sandbox.nonprod-project-avengers.com.zip

      corresponding av - https://couchbasecloud.atlassian.net/browse/AV-67126

       

      Attachments

        Issue Links

          No reviews matched the request. Check your Options in the drop-down menu of this sections header.

          Activity

            People

              aman.srivastava Aman Srivastava
              aman.srivastava Aman Srivastava
              Votes:
              0 Vote for this issue
              Watchers:
              8 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

                Gerrit Reviews

                  There are no open Gerrit changes

                  PagerDuty