Andrew Sherman created IMPALA-8858:
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Summary: 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
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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