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  1. IMPALA
  2. IMPALA-8884

Track Read(), Open() and Write() operation time per disk queue

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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:

      Description

      It would be useful for debugging I/O performance problems if we had histogram stats for the time taken for various operations so that we could see if there were slow operations on a particular disk (e.g. because of disk failure) or from a particular remote filesystem.

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