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https://issues.apache.org/jira/browse/IMPALA-8126?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Quanlong Huang updated IMPALA-8126:
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Target Version: Impala 3.4.0 (was: Impala 3.3.0)
> Move per-host resource utilization counters to per-host profiles in
> coordinator
> -------------------------------------------------------------------------------
>
> Key: IMPALA-8126
> URL: https://issues.apache.org/jira/browse/IMPALA-8126
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Affects Versions: Impala 3.2.0
> Reporter: Lars Volker
> Priority: Major
> Labels: observability, profile, supportability
>
> Once IMPALA-7694 gets in we should move the per-host resource utilization
> counters in {{Coordinator::ComputeQuerySummary()}} to the host profiles in
> {{Coordinator::BackendState}}.
> [~tarmstrong] pointed out
> [here|https://gerrit.cloudera.org/#/c/12069/13/be/src/runtime/coordinator.cc@789]:
> {quote}
> We could also simplify BackendState::ComputeResourceUtilization() to just use
> the per-backend counters instead of iterating over fragments.
> I think there may be some compatibility concerns about removing these -
> existence of the counters isn't contractual but we don't want to break useful
> tools if avoidable.
> For example, I confirmed that Cloudera Manager actually does parse the
> existing strings (which is a little sad, but understandable given the lack of
> other counters).
> {quote}
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