[GitHub] [incubator-doris] ccoffline commented on issue #6477: [Performance] show proc statistic takes too long

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

ccoffline commented on issue #6477:
URL: https://github.com/apache/incubator-doris/issues/6477#issuecomment-903421823


   > which doris version do you use？ and how much replicas total in cluster？ how long dose it task for show proc one time？
   
   * Rebase on 0.13.11 and have the same impl at `StatisticProcDir.java`
   * We have many large scale clusters, many of which cost at least 5-10s querying `/statistic`. The biggest cluster has 45,000,000 replicas.
   * This proc is currently calculating twice on all the replicas per query because of the bad interface design. It has to calculate once when fetch the meta, and calculate again. Besides, this proc status doesn't need to refresh every time, maybe cache in a minute.


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