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From "Henry Robinson (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (IMPALA-5673) Track exchange node buffers memory as part of memory reservation
Date Mon, 17 Jul 2017 22:22:00 GMT

     [ https://issues.apache.org/jira/browse/IMPALA-5673?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Henry Robinson resolved IMPALA-5673.
------------------------------------
    Resolution: Duplicate

Duplicate of IMPALA-5485 (feel free to move that to a sub-task if you need for tracking).

> Track exchange node buffers memory as part of memory reservation 
> -----------------------------------------------------------------
>
>                 Key: IMPALA-5673
>                 URL: https://issues.apache.org/jira/browse/IMPALA-5673
>             Project: IMPALA
>          Issue Type: Sub-task
>          Components: Backend
>            Reporter: Mostafa Mokhtar
>            Assignee: Tim Armstrong
>
> Queries with a large number of exchange operators end up with untracked memory in the
form of buffer space allocated per DataStreamRecvr.
> exchg_node_buffer_size_bytes can be used to calculate how much memory will be used by
DataStreamRecvr. 



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