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Posted to dev@hbase.apache.org by "Xiaolin Ha (Jira)" <ji...@apache.org> on 2022/03/29 10:42:00 UTC

[jira] [Created] (HBASE-26900) Pooled and reuse scanner lease

Xiaolin Ha created HBASE-26900:
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             Summary: Pooled and reuse scanner lease
                 Key: HBASE-26900
                 URL: https://issues.apache.org/jira/browse/HBASE-26900
             Project: HBase
          Issue Type: Improvement
          Components: scan
    Affects Versions: 2.4.11, 3.0.0-alpha-2
            Reporter: Xiaolin Ha
            Assignee: Xiaolin Ha


We can make the scanner lease be pooled and reuse them to reduce the GC pressure,

e.g. when there are large concurrent of scan for meta table, many new leases can be avoid to create.



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