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https://issues.apache.org/jira/browse/IMPALA-8858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16934748#comment-16934748
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ASF subversion and git services commented on IMPALA-8858:
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Commit d99bc14936ff4891a8d932e9d6ff63f96d156e7f in impala's branch
refs/heads/master from Bikramjeet Vig
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=d99bc14 ]
IMPALA-8858: Add metrics tracking num queries running on executor groups
With this patch, all executor groups with at least one executor
will have a metric added that displays the number of queries
(admitted by the local coordinator) running on them. The metric
is removed only when the group has no executors in it. It gets updated
when either the cluster membership changes or a query gets admitted or
released by the admission controller. Also adds the ability to delete
metrics from a metric group after registration.
Testing:
- Added a custom cluster test and a BE metric test.
- Had to modify some metric tests that relied on ordering of metrics by
their name.
Change-Id: I58cde8699c33af8b87273437e9d8bf6371a34539
Reviewed-on: http://gerrit.cloudera.org:8080/14103
Reviewed-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
> Add metrics to improve observability of idle executor groups
> -------------------------------------------------------------
>
> Key: IMPALA-8858
> URL: https://issues.apache.org/jira/browse/IMPALA-8858
> Project: IMPALA
> Issue Type: Bug
> Reporter: Andrew Sherman
> Assignee: Bikramjeet Vig
> Priority: Major
>
> The metrics provided in [IMPALA-8806] are useful but there is not a way to
> see how many executor groups are idle.
> Please add a metric which measures the number of executor groups that are
> both healthy and idle.
> It is OK to for this to be 0 for a short time for example when an executor
> group is created.
> This should be part of the new "cluster-membership" metric group.
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