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  1. Couchbase Server
  2. MB-49864

messages from ns_rebalance_observer are not complete

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Details

    • Bug
    • Status: Closed
    • Critical
    • Resolution: Fixed
    • Neo
    • Neo
    • ns_server
    • None
    • Untriaged
    • 1
    • Unknown

    Description

      see this in debug.log (https://issues.couchbase.com/browse/MB-49630)

      [ns_server:debug,2021-11-17T20:13:12.542-08:00,ns_1@172.23.108.103:<0.6688.97>:ns_rebalance_observer:docs_left_updater_loop:506]Starting docs_left_updater_loop:"default"
       
      .................
       
       {713,
        {vbucket_info,['ns_1@172.23.98.135','ns_1@172.23.96.148'],
                      ['ns_1@172.23.106.100','ns_1@172.23.96.148'],
                      [{replica_building_stats,'ns_1@172.23.106.100',...},
                       {replica_building_stats,...}],
                      {stat_info,{...},...},
                      {stat_info,...},
                      {...},...}},
       {745,
        {vbucket_info,['ns_1@172.23.98.135','ns_1@172.23.99.20'],
                      ['ns_1@172.23.106.100','ns_1@172.23.99.20'],
                      [{replica_building_stats,...},{...}],
                      {stat_info,...},
                      {...},...}},
       {768,
        {vbucket_info,['ns_1@172.23.98.135','ns_1@172.23.99.25'],
                      ['ns_1@172.23.106.100','ns_1@172.23.99.25'],
                      [{...}|...],
                      {...},...}},
       {928,
        {vbucket_info,['ns_1@172.23.99.21','ns_1@172.23.98.135'],
                      ['ns_1@172.23.99.21'|...],
                      [...],...}},
       {142,{vbucket_info,['ns_1@172.23.98.135'|...],[...],...}},
       {485,{vbucket_info,[...],...}}|...]
      

      It is important to have complete information from ns_rebalance_observer in logs in order to successfully investigate rebalance related issues

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            In the other hand we might consider ns_rebalance_observer to stop polluting logs with gigantic messages, but instead just print the delta between the previous state and the new one

            artem Artem Stemkovski added a comment - In the other hand we might consider ns_rebalance_observer to stop polluting logs with gigantic messages, but instead just print the delta between the previous state and the new one

            Artem Stemkovski We already have MB-49565 placeholder created to address this. Since this ticket has more specific callouts, I'll leave it and dup the other one.

            meni.hillel Meni Hillel (Inactive) added a comment - Artem Stemkovski We already have MB-49565 placeholder created to address this. Since this ticket has more specific callouts, I'll leave it and dup the other one.

            Build couchbase-server-7.1.0-1831 contains ns_server commit 77d01b7 with commit message:
            MB-49864: Prevent log trimming for logs in rebalance_observer

            build-team Couchbase Build Team added a comment - Build couchbase-server-7.1.0-1831 contains ns_server commit 77d01b7 with commit message: MB-49864 : Prevent log trimming for logs in rebalance_observer

            People

              hareen.kancharla Hareen Kancharla
              artem Artem Stemkovski
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              Dates

                Created:
                Updated:
                Resolved:

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