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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2022/06/06 08:27:28 UTC

[GitHub] [pulsar] lujiwen opened a new issue, #15948: msgbacklog is not accurate between shutdowns

lujiwen opened a new issue, #15948:
URL: https://github.com/apache/pulsar/issues/15948

   **Describe the bug**
   the msgBacklog is not accurate after restarts and ask for msgBacklog for subscription even specify --get-precise-backlog
   
   **To Reproduce**
   Steps to reproduce the behavior:
   1. get msgBacklog by 'pulsar-admin topics partitioned-stats --get-precise-backlog --get-subscription-backlog-size "
   alias ts="pulsar-admin topics stats --get-precise-backlog --get-subscription-backlog-size'
   2. restart broker 
   3. request for backlog again, or consume msg in a particular subscirption
   4. we can consume more message than the 'msgBacklog'
   
   **Expected behavior**
   the msgBacklog can indicates the precise backlog in a subscription in any case.
   
   


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[GitHub] [pulsar] yapxue commented on issue #15948: msgbacklog is not accurate between shutdowns

Posted by GitBox <gi...@apache.org>.
yapxue commented on issue #15948:
URL: https://github.com/apache/pulsar/issues/15948#issuecomment-1163165258

   @lujiwen pulsar count number of entries. Did you enabled batching in producer side?


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[GitHub] [pulsar] github-actions[bot] commented on issue #15948: msgbacklog is not accurate between shutdowns

Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on issue #15948:
URL: https://github.com/apache/pulsar/issues/15948#issuecomment-1214268388

   The issue had no activity for 30 days, mark with Stale label.


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[GitHub] [pulsar] lujiwen commented on issue #15948: msgbacklog is not accurate between shutdowns

Posted by GitBox <gi...@apache.org>.
lujiwen commented on issue #15948:
URL: https://github.com/apache/pulsar/issues/15948#issuecomment-1184452263

   @Radiancebobo @yapxue I see, do you mean the msgBacklog is the number of batches of messages in backlog if I enable batch and send messages in batch from producer to broker?  so the actual number of individual messages is batchsize * msgBacklog, right?  and the same story for the "msgRateOut".


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[GitHub] [pulsar] Radiancebobo commented on issue #15948: msgbacklog is not accurate between shutdowns

Posted by GitBox <gi...@apache.org>.
Radiancebobo commented on issue #15948:
URL: https://github.com/apache/pulsar/issues/15948#issuecomment-1148546954

   What is your Pulsar version? I didn't reproduce the behavior in v2.9.2


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[GitHub] [pulsar] lujiwen commented on issue #15948: msgbacklog is not accurate between shutdowns

Posted by GitBox <gi...@apache.org>.
lujiwen commented on issue #15948:
URL: https://github.com/apache/pulsar/issues/15948#issuecomment-1165408932

   @yapxue yes I did


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[GitHub] [pulsar] lujiwen commented on issue #15948: msgbacklog is not accurate between shutdowns

Posted by GitBox <gi...@apache.org>.
lujiwen commented on issue #15948:
URL: https://github.com/apache/pulsar/issues/15948#issuecomment-1157454282

   @Radiancebobo I am using 2.10.0 


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