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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2022/02/09 05:14:06 UTC

[GitHub] [pulsar] michaeljmarshall commented on pull request #14177: AbstractMetadataStore: invalidate childrenCache correctly when node created

michaeljmarshall commented on pull request #14177:
URL: https://github.com/apache/pulsar/pull/14177#issuecomment-1033359248


   > > After caching the miss, broker 2 only logs two ZK events:
   > 
   > This is interesting that broker2 does not receive the event `NodeCreated path:/managed-ledgers/test/a/persistent/a`. I think this is the root cause. If it does receive this event, the `childrenCache` would be properly invalidated, right?
   
   @Jason918 - you're correct, broker 2 does not receive this notification. If I understand correctly, it doesn't get that notification because it isn't watching that node. It is watching `/managed-ledgers/test/a/persistent` because the `internalGetList` method triggers the "exists" watch when it also creates the cached value for `/managed-ledgers/test/a/persistent`.


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