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https://issues.apache.org/jira/browse/PHOENIX-5296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17014940#comment-17014940
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Viraj Jasani commented on PHOENIX-5296:
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refCount metric is available in HBase 2.3.0+, 1.5.0+. However, Phoenix trunk is
using HBase 2.0.1 and hence refCount as metric is not available so tests as
part of this Jira can go to 4.x/4.15 branches only.
However, there is a separate discussion going on regarding removal of refCount,
so may be good to wait for a while before we write Phoenix tests around
refCounts hardening.
> 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
>
>
> 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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