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https://issues.apache.org/jira/browse/HBASE-24788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Busbey reopened HBASE-24788:
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this change broke source compatibility by removing the throws for
{{InterruptedException}} from the {{getRecordWriter}} and {{checkOutputSpecs}}
methods of {{TableOutputFormat}}.
I don't see any discussion of doing so, so I am guessing it was an oversight.
Normally we don't allow these kinds of changes in maintenance or minor releases.
[[email protected]], [~vjasani], and [~bharathv]: please fix for at least
branch-1, branch-2, branch-2.3, and branch-2.2. If you want to keep the removal
for master please flag the change as incompatible and release note it
apparently.
> Fix the connection leaks on getting hbase admin from unclosed connection
> ------------------------------------------------------------------------
>
> Key: HBASE-24788
> URL: https://issues.apache.org/jira/browse/HBASE-24788
> Project: HBase
> Issue Type: Bug
> Components: mapreduce
> Affects Versions: 3.0.0-alpha-1, 2.3.0, 1.6.0
> Reporter: Sandeep Pal
> Assignee: Sandeep Pal
> Priority: Major
> Fix For: 3.0.0-alpha-1, 2.3.1, 1.7.0, 2.4.0, 2.2.7
>
>
> Observed the significant increase in ZK connection on performance testing on
> map reduce jobs. Turns out the
> [TableOutputFormat.checkOutputSpecs()|https://github.com/apache/hbase/blob/master/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.java#L182]
> is not closing the connection it uses to get the hbase admin. It closes the
> hbase admin but never close the connection to get the admin.
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