[GitHub] [pinot] walterddr commented on pull request #10858: [hotfix] use proper threadpool for test

["walterddr (via GitHub)" <gi...@apache.org>]

walterddr commented on PR #10858:
URL: https://github.com/apache/pinot/pull/10858#issuecomment-1579187444

   > Why did the unit tests not using cached thread pool lead to the tests occasionally failing?
   
   GHA servers only has 2 virtual core, and in the pipeline breaker scenario we will have more stages deployed (waiting for pipeline breaker to finish) than the number of cores on the fly, thus all threads within the threadpool are blocked and no more tasks can be scheduled into it


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