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https://issues.apache.org/jira/browse/HBASE-16117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15422268#comment-15422268
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stack commented on HBASE-16117:
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Moving out of 1.2.3. Not done yet. Can make it into 1.2.4.
> Fix Connection leak in mapred.TableOutputFormat
> ------------------------------------------------
>
> Key: HBASE-16117
> URL: https://issues.apache.org/jira/browse/HBASE-16117
> Project: HBase
> Issue Type: Bug
> Components: mapreduce
> Affects Versions: 2.0.0, 1.3.0, 1.2.2, 1.1.6
> Reporter: Jonathan Hsieh
> Assignee: Jonathan Hsieh
> Fix For: 2.0.0, 1.3.1, 1.1.7, 1.2.4
>
> Attachments: HBASE-16117.branch-1.001.patch,
> hbase-16117.branch-1.patch, hbase-16117.patch, hbase-16117.v2.branch-1.patch,
> hbase-16117.v2.patch, hbase-16117.v3.branch-1.patch, hbase-16117.v3.patch,
> hbase-16117.v4.patch
>
>
> Spark seems to instantiate multiple instances of output formats within a
> single process. When mapred.TableOutputFormat (not
> mapreduce.TableOutputFormat) is used, this may cause connection leaks that
> slowly exhaust the cluster's zk connections.
> This patch fixes that.
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