klsince opened a new issue #7321:
URL: https://github.com/apache/pinot/issues/7321


   Add an option to force to download segment when reloading segment, replacing 
the existing segment on Pinot server, effectively resetting all existing disk 
states for that segment. This option should work for immutable segments from 
both Offline and Realtime tables. 
   
   One side effect is to clean up obsolete indices, but please note that this 
is not the most efficient way to clean up indices. This issue 
https://github.com/apache/pinot/issues/7320 is implementing a more efficient 
way for such purpose.
   
   As background, currently, segment is downloaded when local segment's crc 
becomes different from the segment's crc set in Zookeeper, which usually 
happens when uploading a new segment.


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