xiangfu0 commented on PR #18560:
URL: https://github.com/apache/pinot/pull/18560#issuecomment-4527646756

   > We had a table with 2 topics that were being ingested. One of the topics 
got deleted and for some reason that caused ingestion on the other one also 
stopped (not sure why). This process tried to restart ingestion on both topics 
but since the second topic was deleted, it errored out with a runtime exception 
and did not start ingestion on the good topic as well. When we removed the 
deleted topic from the config, the ingestion resumed.
   > 
   > I've seen other cases where the deleted topic is paused in the config 
where this works and ingestion does not stop.
   > 
   > I'm still working on finding why one topic deletion caused the other topic 
to stop ingesting.
   
   I see, let's try to root cause this then, basically apart from topic 
deletion, any other failure could cause the entire table stopped ingestion. 


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