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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16117) Fix Connection leak in mapred.TableOutputFormat
Date Mon, 27 Jun 2016 16:21:52 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15351344#comment-15351344
] 

Jonathan Hsieh commented on HBASE-16117:
----------------------------------------

hey [~ndimiduk], thanks for the suggestion.  The Closeable and AutoCloseable and try-with-resources
construct is relatively new to me and the suggestion after reading up on it more makes sense
to me. [1] 

[1] https://docs.oracle.com/javase/tutorial/essential/exceptions/tryResourceClose.html

> 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, 1.3.0, 1.2.2, 1.1.6
>
>         Attachments: hbase-16117.branch-1.patch, hbase-16117.patch, hbase-16117.v2.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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