[GitHub] [pinot] mcvsubbu commented on pull request #9800: Adding a consumer lag as metric via a periodic task in controller

[GitBox <gi...@apache.org>]

mcvsubbu commented on PR #9800:
URL: https://github.com/apache/pinot/pull/9800#issuecomment-1315993390

   > > Moreover, when a table is rebalanced, the consuming segments get moved around. This can lead to prolonged stale value that will mostly cause noise.
   > 
   > When a table is rebalanced, each server can get notified and if they no longer serve a partition, they can remove the corresponding gauge metric.
   
   I believe we do invoke the code to remove a metric each time a partition completes consumption.


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