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https://issues.apache.org/jira/browse/HBASE-26629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang resolved HBASE-26629.
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Fix Version/s: 2.5.0
3.0.0-alpha-3
2.4.10
Hadoop Flags: Reviewed
Resolution: Fixed
Pushed to branch-2.4+.
Thanks [~xytss123] for contributing!
> Add expiration for long time vacant scanners in Thrift2
> -------------------------------------------------------
>
> Key: HBASE-26629
> URL: https://issues.apache.org/jira/browse/HBASE-26629
> Project: HBase
> Issue Type: Improvement
> Components: Performance, Thrift
> Reporter: Yutong Xiao
> Assignee: Yutong Xiao
> Priority: Major
> Fix For: 2.5.0, 3.0.0-alpha-3, 2.4.10
>
>
> In thrift1 implementation, the ThriftHBaseSerivceHandler holds a Cache with
> an expire time after access. This will make the long time vacant scanners be
> collected by gc. However, in thrift2 we do not have this feature and only use
> a map to store scanners and we need the client close the scanner manually. If
> not, the expired scanners will live in memory forever. In this case, I
> applied the cache expiration to thrift2 service.
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