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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2021/06/09 02:18:51 UTC

[GitHub] [druid] zhangyouxun commented on issue #11341: In the same query, Historical performance is better than Middle Manager, and how to tune Middle Manager

zhangyouxun commented on issue #11341:
URL: https://github.com/apache/druid/issues/11341#issuecomment-857318940


   > how many rows are there in the 1 hour interval ?
   The num of rows is 180 million in the 1 hour interval.
   
   >For you task configuration, up to 10g direct memory is available for JVM, but only (2 numMergeBuffers +2 numThreads +1)*256MiB = 1280MiB is configured for Druid to use.
    we will reduce direct memory to 5g later
   
   


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