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From "Saksham Gangwar (Jira)" <j...@apache.org>
Subject [jira] [Assigned] (PHOENIX-6078) Remove Internal Phoenix Connections from parent LinkedQueue when closed
Date Fri, 14 Aug 2020 18:55:00 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-6078?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Saksham Gangwar reassigned PHOENIX-6078:
----------------------------------------

    Assignee: Saksham Gangwar  (was: Daniel Wong)

> Remove Internal Phoenix Connections from parent LinkedQueue when closed
> -----------------------------------------------------------------------
>
>                 Key: PHOENIX-6078
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-6078
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.14.3, 4.x
>            Reporter: Saksham Gangwar
>            Assignee: Saksham Gangwar
>            Priority: Major
>             Fix For: 4.16.0
>
>
> In https://issues.apache.org/jira/browse/PHOENIX-5872
> We started maintaining parent-child relationships between phoenix connections to close
those connections. But after closing those child connections we should be removing them from
the Queue which is being maintained for the same.
> Here:
> [https://github.com/apache/phoenix/blob/affa9e889efcc2ad7dac009a0d294b09447d281e/phoenix-core/src/main/java/org/apache/phoenix/compile/MutatingParallelIteratorFactory.java#L114]
>  
> If not removed from the queue, and if the parent connection is being reused: we are observing
the OOM issue on the container side during the mapper run.
>  



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