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https://issues.apache.org/jira/browse/HBASE-26900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaolin Ha updated HBASE-26900:
-------------------------------
Description:
We can make the scanner lease be pooled and reuse them to reduce the GC
pressure,
e.g. when there are large concurrent scans for the meta table, many new leases
can be avoid to create.
was:
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.
> 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: 3.0.0-alpha-2, 2.4.11
> Reporter: Xiaolin Ha
> Assignee: Xiaolin Ha
> Priority: Major
>
> We can make the scanner lease be pooled and reuse them to reduce the GC
> pressure,
> e.g. when there are large concurrent scans for the meta table, many new
> leases can be avoid to create.
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