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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-4489) HBase Connection leak in Phoenix MR Jobs
Date Tue, 23 Jan 2018 17:32:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-4489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16336118#comment-16336118
] 

James Taylor commented on PHOENIX-4489:
---------------------------------------

Where are we at with this one, [~karanmehta93]?

> HBase Connection leak in Phoenix MR Jobs
> ----------------------------------------
>
>                 Key: PHOENIX-4489
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4489
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Karan Mehta
>            Assignee: Karan Mehta
>            Priority: Major
>         Attachments: PHOENIX-4489.001.patch
>
>
> Phoenix MR jobs uses a custom class {{PhoenixInputFormat}} to determine the splits and
the parallelism of the work. The class directly opens up a HBase connection, which is not
closed after the usage. Independently running MR jobs should not have any concern, however
jobs that run through Phoenix-Spark can cause leak issues if this is left unclosed (since
those jobs run as a part of same JVM). 
> Apart from this, the connection should be instantiated with {{HBaseFactoryProvider.getHConnectionFactory()}}
instead of the default one. It can be useful if a separate client is trying to run jobs and
wants to provide a custom implementation of {{HConnection}}. 
> [~jmahonin] Any ideas?
> [~jamestaylor] [~vincentpoon] Any concerns around this?



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