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  1. IMPALA
  2. IMPALA-8126

Move per-host resource utilization counters to per-host profiles in coordinator

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      Once IMPALA-7694 gets in we should move the per-host resource utilization counters in Coordinator::ComputeQuerySummary() to the host profiles in Coordinator::BackendState.

      Tim Armstrong pointed out here:

      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).

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            • Assignee:
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              Reporter:
              lv Lars Volker
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