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https://issues.apache.org/jira/browse/IMPALA-8762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17390003#comment-17390003
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ASF subversion and git services commented on IMPALA-8762:
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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 <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
> 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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