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  1. Couchbase Server
  2. MB-36074

Q2 DGM latency regression

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Details

    • Untriaged
    • Yes

    Description

      We are seeing a 100%+ increase in 90th percentile Q2 latency with DGM.

      Test: 90th percentile query latency (ms). Q2. Singleton Unique Lookup. 8K queries/sec. Plasma. DGM. not_bounded 

      6.5.0-4246 - http://perf.jenkins.couchbase.com/job/iris/16273/ - 5.7

      6.5.0-4245 - http://perf.jenkins.couchbase.com/job/iris/16277/ - 2.3

      Graph: http://cbmonitor.sc.couchbase.com/reports/html/?snapshot=iris_650-4245_access_72d2&snapshot=iris_650-4246_access_cdf7

      Logs:

      6.5.0-4245

      https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-iris-16277/172.23.100.45.zip
      https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-iris-16277/172.23.100.55.zip
      https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-iris-16277/172.23.100.70.zip
      https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-iris-16277/172.23.100.71.zip
      https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-iris-16277/172.23.100.72.zip
      https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-iris-16277/172.23.100.73.zip

      6.5.0-4246

      https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-iris-16273/172.23.100.45.zip
      https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-iris-16273/172.23.100.55.zip
      https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-iris-16273/172.23.100.70.zip
      https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-iris-16273/172.23.100.71.zip
      https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-iris-16273/172.23.100.72.zip
      https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-iris-16273/172.23.100.73.zip

       

       

      Attachments

        1. 4245_indexer_cpu.png
          4245_indexer_cpu.png
          1.91 MB
        2. 4245.flame.svg
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        3. 4558_indexer_cpu.png
          4558_indexer_cpu.png
          1.50 MB
        4. 4558_text_profile.txt
          88 kB
        5. 4558.flame.svg
          1.01 MB
        6. num_docs_pending.png
          num_docs_pending.png
          77 kB

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. MB-35989 "integer divide by zero" panic while running plasma DGM performance tests

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed
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              deepkaran.salooja Deepkaran Salooja
              korrigan.clark Korrigan Clark (Inactive)
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              Dates

                Created:
                Updated:
                Resolved:

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                  PagerDuty