[GitHub] [spark] attilapiros opened a new pull request #24244: [MINOR][CORE] Update thread audit whitelist to skip broadcast-exchange-.* and StatisticsDataReferenceCleaner threads

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

attilapiros opened a new pull request #24244: [MINOR][CORE] Update thread audit whitelist to skip broadcast-exchange-.* and StatisticsDataReferenceCleaner threads
URL: https://github.com/apache/spark/pull/24244
 
 
   ## What changes were proposed in this pull request?
   
   Update thread audit whitelist to skip threads of the global broadcast exchange thread pool and Hadoop FS statistics data reference cleaner thread.
   
   ## How was this patch tested?
   
   Via existing UT using broadcast exchange via `sbt` i.e:
   
   ```
   > project sql
   > testOnly *.SessionStateSuite -- -z "fork new sessions and run query on inherited table"
   ``` 
   
   Before (wrapped long line for manually to save horizontal scrolling for reviewers):
   
   ```
   ===== POSSIBLE THREAD LEAK IN SUITE o.a.s.sql.SessionStateSuite, 
   thread names: broadcast-exchange-6, broadcast-exchange-0, 
   broadcast-exchange-2, broadcast-exchange-5, broadcast-exchange-7, 
   broadcast-exchange-4, broadcast-exchange-1, process reaper, broadcast-exchange-3,
    org.apache.hadoop.fs.FileSystem$Statistics$StatisticsDataReferenceCleaner =====
   ```
   
   After (wrapped long line for manually to save horizontal scrolling for reviewers):
   
   ```
   ===== POSSIBLE THREAD LEAK IN SUITE o.a.s.sql.SessionStateSuite, 
   thread names: process reaper =====
   ```

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