[GitHub] [incubator-druid] sashidhar edited a comment on issue #8038: Making optimal usage of multiple segment cache locations

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sashidhar edited a comment on issue #8038: Making optimal usage of multiple segment cache locations
URL: https://github.com/apache/incubator-druid/pull/8038#issuecomment-510046061
 
 
   @dclim , @nishantmonu51 Here's what I'm thinking.
   
   As discussed, the segment cache location selector strategy should be configurable. There could be 3 possible strategies currently.
   
   1.  Round-robin selector strategy
   2.  Least bytes used selector strategy
   3.  Current behaviour
   
   Questions:
   1. Default strategy - Should this be the current behaviour which is there right now in production or one of round-robin or least bytes used ?
   2. Property name for the new configuration - how does this sound **druid.segmentCache.locationSelectorStrategy**.  ?
   3. Possible values for the above property - **round-robin**, **least-bytes-used**  ?
   
   Other things to note:
   1. This PR will have to introduce an optional new Historical runtime property. 
   2. Documentation for the same and mention in the release notes. 
   
   @gianm FYI.
   

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