dang-stripe opened a new issue, #10956:
URL: https://github.com/apache/pinot/issues/10956

   We've noticed segments in S3 are not getting deleted from the 
Deleted_Segments directory. This seems to be because when 
SegmentDeletionManager calls S3PinotFS.listFiles, it only returns files and not 
directories and always returns an empty list, causing the 
`removeAgedDeletedSegments` call to terminate. The Deleted_Segments directory 
only contains a directory for each table w/ deleted segments.
   
   We found this log line that confirms this which reports 0 files being 
returned.
   ```
   [2023-06-21 17:02:32.807244] INFO [S3PinotFS] [pool-17-thread-1:169] Listed 
0 files from URI: 
s3://some-bucket/pinot/pinot-cluster-1/prod-1/Deleted_Segments, is recursive: 
false
   ```
   
   
https://github.com/apache/pinot/blob/master/pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/SegmentDeletionManager.java#L290
   
   
https://github.com/apache/pinot/blob/master/pinot-plugins/pinot-file-system/pinot-s3/src/main/java/org/apache/pinot/plugin/filesystem/S3PinotFS.java#L486-L499


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