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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2020/07/10 20:43:59 UTC

[GitHub] [pulsar] rdhabalia commented on pull request #7499: [pulsar-broker] Broker handle back-pressure with max-pending message across topics to avoid OOM

rdhabalia commented on pull request #7499:
URL: https://github.com/apache/pulsar/pull/7499#issuecomment-656881392


   #7406 manages broker-wide throttling at the IO thread level and we can still reproduce above issue with the #7406 fix.
   This PR actually manages this back-pressure at the broker level rather at the thread level and keeps broker stable in all scenarios. This PR also doesn't use a mutex and shouldn't create a contention in write path.
   So, I think we will need this PR for OOM issues we are facing frequently.
   


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