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https://issues.apache.org/jira/browse/HBASE-9889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13813693#comment-13813693
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Lars Hofhansl commented on HBASE-9889:
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Need to synchronize any changes to scannerReadPoints.
I wonder whether it would instead be correct to just add to scannerReadPoints
at the end of the constructor.
> Make sure we clean up scannerReadPoints upon any exceptions
> -----------------------------------------------------------
>
> Key: HBASE-9889
> URL: https://issues.apache.org/jira/browse/HBASE-9889
> Project: HBase
> Issue Type: Sub-task
> Affects Versions: 0.89-fb, 0.94.12, 0.96.0
> Reporter: Amitanand Aiyer
> Assignee: Amitanand Aiyer
> Priority: Minor
> Fix For: 0.96.1
>
> Attachments: hbase-9889.diff
>
>
> If there is an exception in the creation of RegionScanner (for example,
> exception while opening store files) the scanner Read points is not cleaned
> up.
> Having an unused old entry in the scannerReadPoints means that flushes and
> compactions cannot garbage-collect older versions.
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