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  1. IMPALA
  2. IMPALA-4187

Switch RPC latency metrics to histograms

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: Impala 2.7.0
    • Fix Version/s: Impala 2.8.0
    • Component/s: Backend
    • Labels:

      Description

      The metrics measuring RPC latencies capture average / min / max, which isn't so interesting for latency distributions. We have HistogramMetric and should use it.

      Doing so requires implementing HistogramMetric::Reset() so that we keep the functionality that already exists in /rpcz.

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            • Assignee:
              henryr Henry Robinson
              Reporter:
              henryr Henry Robinson
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