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https://issues.apache.org/jira/browse/HBASE-9926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jimmy Xiang updated HBASE-9926:
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Attachment: trunk-9926_v2.patch
Attached v2 that cache the scanner and the region together, so that we can use
the same region instance all the time. So if the original region instance that
will be used by the scanner is closing/closed, we will get a
NotServingRegionException.
> Scanner doesn't check if a region is available
> ----------------------------------------------
>
> Key: HBASE-9926
> URL: https://issues.apache.org/jira/browse/HBASE-9926
> Project: HBase
> Issue Type: Bug
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Attachments: trunk-9926.patch, trunk-9926_v2.patch
>
>
> Currently the scanner doesn't check if a region is closing/closed. If a
> region is closed, then reopened, an old scanner could still refer to the
> closed HRegion instance. So the scanner will miss some store file changes
> due to compaction.
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