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https://issues.apache.org/jira/browse/HBASE-20940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16594198#comment-16594198
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Andrew Purtell commented on HBASE-20940:
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Thanks [~vishk]. Please provide the fixes as an addendum commit. By that what I
mean is we need a patch for branch-1 with the new test fixes. Happy to wait
another day rather than revert this from 1.4.7.
> HStore.cansplit should not allow split to happen if it has references
> ---------------------------------------------------------------------
>
> Key: HBASE-20940
> URL: https://issues.apache.org/jira/browse/HBASE-20940
> Project: HBase
> Issue Type: Bug
> Affects Versions: 1.3.2
> Reporter: Vishal Khandelwal
> Assignee: Vishal Khandelwal
> Priority: Major
> Fix For: 3.0.0, 1.5.0, 1.3.3, 2.2.0, 2.1.1, 2.0.2, 1.4.7
>
> Attachments: HBASE-20940.branch-1.3.v1.patch,
> HBASE-20940.branch-1.3.v2.patch, HBASE-20940.branch-1.v1.patch,
> HBASE-20940.branch-1.v2.patch, HBASE-20940.branch-1.v3.patch,
> HBASE-20940.v1.patch, HBASE-20940.v2.patch, HBASE-20940.v3.patch,
> HBASE-20940.v4.patch, result_HBASE-20940.branch-1.v2.log
>
>
> When split happens and immediately another split happens, it may result into
> a split of a region who still has references to its parent. More details
> about scenario can be found here HBASE-20933
> HStore.hasReferences should check from fs.storefile rather than in memory
> objects.
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