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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