[GitHub] [druid] didip opened a new issue #12020: Small suggestion: Two kinds of druid.segmentCache.numLoadingThreads

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

didip opened a new issue #12020:
URL: https://github.com/apache/druid/issues/12020


   ### Description
   
   I think Historical could benefit from two different type of druid.segmentCache.numLoadingThreads.
   
   One is for when historical is cold booted, it needs as much threads as possible to download all the segment files.
   
   And then, when all segments are available, there’s another setting that can throttle it down so that it does not take too much IOPS.
   
   ### Motivation
   
   When deploying in AWS, EBS IOPS is precious, if we can reduce the IOPS used for loading segments, we can use them for serving queries.


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