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  1. IMPALA
  2. IMPALA-9033

Log metrics for slow I/Os

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: Impala 3.4.0
    • Component/s: Backend
    • Labels:
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      Description

      We should detect I/Os that take longer than a configurable threshold, e.g 10 seconds might be reasonable and then log some extra information about them - any of the metrics we get from the HDFS client.

      This will help debug certain perf issues and hangs.

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              • Assignee:
                tarmstrong Tim Armstrong
                Reporter:
                tarmstrong Tim Armstrong
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                • Created:
                  Updated:
                  Resolved: