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Posted to dev@hbase.apache.org by "LiangJun He (Jira)" <ji...@apache.org> on 2022/06/06 13:10:00 UTC

[jira] [Created] (HBASE-27091) Speed up the loading of table descriptor from filesystem

LiangJun He created HBASE-27091:
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             Summary: Speed up the loading of table descriptor from filesystem
                 Key: HBASE-27091
                 URL: https://issues.apache.org/jira/browse/HBASE-27091
             Project: HBase
          Issue Type: Improvement
          Components: master
    Affects Versions: 3.0.0-alpha-3
            Reporter: LiangJun He
            Assignee: LiangJun He
             Fix For: 3.0.0-alpha-3


If there are a large number of tables in the HBase cluster, it will take a long time to fully load the table descriptor  from filesystem for the first time.
In our production cluster, there were 50000 + tables. It took several minutes to load the table descriptor from filesystem. This problem seriously affects the performance of HMaster active/standby switchover.

We should support concurrent loading to solve this problem.



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