jadami10 opened a new issue, #11533:
URL: https://github.com/apache/pinot/issues/11533

   The initial conversation happened in 
https://github.com/apache/pinot/pull/9994#discussion_r1312419841. 
   
   The ingestion lag metric continues to tick up while the consuming thread is 
shutdown. This makes using this metric to track/alert on ingestion lag more 
difficult as these servers aren't actually serving queries at this time.
   
   I've tried a few fixes on a QA cluster without success:
   - move `_ingestionDelayTracker.shutdown()` to before segments are destroyed
   - stop reporting the metric when `_isServerReadyToServeQueries` goes from 
true -> false
   
   Neither of those worked, and I kept seeing the lag. But I think it's mostly 
because I'm still not shutting the ingestion tracker down at the right spot.


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