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Posted to issues@impala.apache.org by "Henry Robinson (JIRA)" <ji...@apache.org> on 2017/07/17 22:22:00 UTC
[jira] [Resolved] (IMPALA-5673) Track exchange node buffers memory
as part of memory reservation
[ 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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