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https://issues.apache.org/jira/browse/HBASE-21628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16731139#comment-16731139
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cong.han commented on HBASE-21628:
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Sorry，I forgot to fix the style of the patch,I will work on it later.
> memory leak risk when ClientAsyncPrefetchScanner not close
> ----------------------------------------------------------
>
> Key: HBASE-21628
> URL: https://issues.apache.org/jira/browse/HBASE-21628
> Project: HBase
> Issue Type: Improvement
> Reporter: cong.han
> Assignee: cong.han
> Priority: Major
> Attachments: HBASE-21328-v1.patch, HBASE-21628-v2.patch,
> HBASE-21628-v3.patch
>
>
> When we use ClientAsyncPrefetchScanner and we do two things below
> 1 Forgot to call close() method
> 2 The result are not full fetched
> The prefetch thread will not exit and leave a memory leak risk.
>
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