klsince commented on issue #7320:
URL: https://github.com/apache/pinot/issues/7320#issuecomment-901487852


   Is 're-push of segment' the feature described in this issue 
https://github.com/apache/pinot/issues/7321? 
   
   In fact, as followups from the incident, we planned these two options: 1) 
add option to force segment download (mainly for mitigation); 2) enable index 
cleanup for V3 format, so that indices on servers stay in sync with what's set 
in table config not just when adding new ones but also when removing old ones.
   
   In general, re-push of segment is kinda heavy lifting for index cleanup 
particularly for large table, as it incurs considerable network egress cost 
while downloading large volume of data. Besides, letting indices on servers 
stay in sync with what's set in table config makes it a bit more intuitive to 
use Pinot, basically deleting indices would reduce disk usage.


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