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Posted to dev@hbase.apache.org by "Bo Cui (Jira)" <ji...@apache.org> on 2021/01/14 09:47:00 UTC

[jira] [Created] (HBASE-25506) ServerManager affects MTTR of HMaster

Bo Cui created HBASE-25506:
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             Summary: ServerManager affects MTTR of HMaster
                 Key: HBASE-25506
                 URL: https://issues.apache.org/jira/browse/HBASE-25506
             Project: HBase
          Issue Type: Improvement
          Components: MTTR
            Reporter: Bo Cui
         Attachments: image-2021-01-14-17-44-16-091.png, image-2021-01-14-17-44-42-181.png

https://github.com/apache/hbase/blob/3488c44a21612aae1835fc3e91a4a12ed2abb8b7/hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java#L925

If a cluster has N+W regions, this removeDeletedRegionFromLoadedFlushedSequenceIds takes a long time...
 !image-2021-01-14-17-44-16-091.png! 
 !image-2021-01-14-17-44-42-181.png! 



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