[GitHub] [druid] kfaraz commented on issue #11700: VersionedIntervalTimeline.isOvershadowed is very slow when processing many segments

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

kfaraz commented on issue #11700:
URL: https://github.com/apache/druid/issues/11700#issuecomment-1309716408

   The main issue of high runtime of `MarkAsUnusedOvershadowedSegments` has been fixed in #13287 . As pointed earlier by @abhishekagarwal87 , the `isOvershadowed` method itself might not be too costly but since it was invoked too many times, it amounted to a very long runtime.
   
   The fix looks only at the segments that have already been identified to be overshadowed by the timeline, rather than iterating over all the used segments.


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