HBase
  1. HBase
  2. HBASE-4989

Metrics to measure sequential reads and random reads separately

    Details

    • Type: Improvement Improvement
    • Status: Closed
    • Priority: Minor Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.94.0
    • Component/s: regionserver
    • Labels:
      None
    • Hadoop Flags:
      Incompatible change, Reviewed
    • Release Note:
      The metric fsReadLatency records the number of sequential reads. The metric fsPreadLatency records the number of random reads.

      Description

      HBase does sequential reads for compactions and positional random reads for satisfying user's queries. It would be nice if we can measure their latencies separately. It is mostly the random reads that dominate a transactional workload.

      1. metrics1.txt
        6 kB
        dhruba borthakur

        Activity

        No work has yet been logged on this issue.

          People

          • Assignee:
            dhruba borthakur
            Reporter:
            dhruba borthakur
          • Votes:
            0 Vote for this issue
            Watchers:
            0 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Development