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Posted to issues-all@impala.apache.org by "ASF subversion and git services (Jira)" <ji...@apache.org> on 2021/07/29 16:07:00 UTC
[jira] [Commented] (IMPALA-8762) Track number of running queries on
all backends in admission controller
[ https://issues.apache.org/jira/browse/IMPALA-8762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17390003#comment-17390003 ]
ASF subversion and git services commented on IMPALA-8762:
---------------------------------------------------------
Commit 06c9016a37edc1e5514378dbe17a679e294a0942 in impala's branch refs/heads/master from Bikramjeet Vig
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=06c9016 ]
IMPALA-8762: Track host level admission stats across all coordinators
This patch adds the ability to share the per-host stats for locally
admitted queries across all coordinators. This helps to get a more
consolidated view of the cluster for stats like slots_in_use and
mem_admitted when making local admission decisions.
Testing:
Added e2e py test
Change-Id: I2946832e0a89b077d0f3bec755e4672be2088243
Reviewed-on: http://gerrit.cloudera.org:8080/17683
Reviewed-by: Impala Public Jenkins <im...@cloudera.com>
Tested-by: Impala Public Jenkins <im...@cloudera.com>
> Track number of running queries on all backends in admission controller
> -----------------------------------------------------------------------
>
> Key: IMPALA-8762
> URL: https://issues.apache.org/jira/browse/IMPALA-8762
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Affects Versions: Impala 3.3.0
> Reporter: Lars Volker
> Assignee: Bikramjeet Vig
> Priority: Major
> Labels: admission-control, scalability
> Fix For: Impala 4.1.0
>
>
> To support running multiple coordinators with executor groups and slot based admission checks, all executors need to include the number of currently running queries in their statestore updates, similar to mem reserved.
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