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https://issues.apache.org/jira/browse/HBASE-16067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15339706#comment-15339706
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binlijin commented on HBASE-16067:
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Update scan's MVCC before every row it will impact the performance, so trigger
the update before every scan.next.
> Add READ_COMMITTED IsolationLevel for scan and the current is SNAPSHOT.
> -----------------------------------------------------------------------
>
> Key: HBASE-16067
> URL: https://issues.apache.org/jira/browse/HBASE-16067
> Project: HBase
> Issue Type: New Feature
> Reporter: binlijin
> Attachments: HBASE-16067.patch
>
>
> When scan a region, openScan get a mvcc readpoint and do not advance the
> readpoint within it lifetime, so all committed write after the readpoint do
> not visible for the scan.
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