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https://issues.apache.org/jira/browse/TEPHRA-300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16847161#comment-16847161
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Lars Hofhansl commented on TEPHRA-300:
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The reference counting in HBase changed with 1.3, so all version after that
react badly to scanners that are not closed. Even before it wasn't good, as old
scanner would prevent older K/V to be removed during compactions. So, yeah,
earlier HBase versions too.
> Tephra coprocessors do not close passed scanner
> -----------------------------------------------
>
> Key: TEPHRA-300
> URL: https://issues.apache.org/jira/browse/TEPHRA-300
> Project: Tephra
> Issue Type: Bug
> Reporter: Lars Hofhansl
> Assignee: Poorna Chandra
> Priority: Major
> Attachments: 300.txt
>
>
> With HBase 1.5+ this leads to incorrect reference counting on opened HFile
> resulting in those to never get archived.
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