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https://issues.apache.org/jira/browse/PHOENIX-5296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17101062#comment-17101062
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Xinyi Yan commented on PHOENIX-5296:
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Based on the above conversation, moving to 4.16.1 for now.
> Ensure store file reader refcount is zero at end of relevant unit tests
> -----------------------------------------------------------------------
>
> Key: PHOENIX-5296
> URL: https://issues.apache.org/jira/browse/PHOENIX-5296
> Project: Phoenix
> Issue Type: Test
> Reporter: Andrew Kyle Purtell
> Assignee: Sandeep Pal
> Priority: Major
> Labels: phoenix-hardening
> Fix For: 4.15.1, 5.1.1, 4.16.0
>
>
> Unit and integration tests for functional areas where the implementation
> wraps scanners and uses a delegate pattern should check at the end of the
> test that no scanners were leaked (check that all scanners including the
> inner scanners were properly closed) by testing that the store reader
> reference count is zero on all stores.
> HBASE-22459 will offer a new metric and API which exposes this information.
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