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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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Yutong Xiao updated HBASE-26629:
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Component/s: Performance
Thrift
> Add expiration for long time vacant scanners
> --------------------------------------------
>
> 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
>
> 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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