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https://issues.apache.org/jira/browse/HBASE-5986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Hofhansl closed HBASE-5986.
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> Clients can see holes in the META table when regions are being split
> --------------------------------------------------------------------
>
> Key: HBASE-5986
> URL: https://issues.apache.org/jira/browse/HBASE-5986
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.92.1, 0.94.1, 0.96.0
> Reporter: Enis Soztutar
> Assignee: Enis Soztutar
> Fix For: 0.92.2, 0.94.1, 0.96.0
>
> Attachments: 5986-v2.txt, HBASE-5986-0.92.patch,
> HBASE-5986-0.94.patch, HBASE-5986-test_v1.patch, HBASE-5986_v3.patch
>
>
> We found this issue when running large scale ingestion tests for HBASE-5754.
> The problem is that the .META. table updates are not atomic while splitting a
> region. In SplitTransaction, there is a time lap between the marking the
> parent offline, and adding of daughters to the META table. This can result in
> clients using MetaScanner, of HTable.getStartEndKeys (used by the
> TableInputFormat) missing regions which are made just offline, but the
> daughters are not added yet.
> This is also related to HBASE-4335.
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