Uploaded image for project: 'Couchbase Server'
  1. Couchbase Server
  2. MB-43586

High variance in p99.9 GET latency on Magma heavy read latency tests

    XMLWordPrintable

Details

    • Untriaged
    • 1
    • Yes
    • KV-Engine 2021-Jan, Magma 2021-Jan18

    Description

       

       

      Test Baseline (7.0.0-4078) Compare (7.0.0-4170)

      99.9th percentile GET latency (ms), 4 nodes, 1 bucket x 1B x 1KB, 15K ops/sec (5/90/5 C/R/W), Uniform distribution, Magma

      		 6.97  8.61

      99.9th percentile GET Latency(ms), Workload S0.1, 2 nodes, 250M x 1KB, 20K ops/sec (5/90/5 C/R/W), Power distribution (α=10), Magma

      		 8.17 9.1

      99.9th percentile GET Latency(ms), Workload S0.2, 2 nodes, 250M x 1KB, 20K ops/sec (5/90/5 C/R/W), Uniform distribution, Magma

      		 7.43 8.4

       

       

      Attachments

        1. 2197b213acc6a4d7494c0345f19d1d03.png
          39 kB
          Dave Rigby
        2. 63573179fd145c397047938eddf8c0dd.png
          27 kB
          Dave Rigby
        3. d056096c18cf84643dc7317148ce4c77.png
          46 kB
          Dave Rigby
        4. d283b6b60d4981094c723a4e06182a29.png
          40 kB
          Dave Rigby
        5. Screenshot 2021-01-13 at 11.10.05 AM.png
          43 kB
          Sarath Lakshman
        No reviews matched the request. Check your Options in the drop-down menu of this sections header.

        Activity

          People

            bo-chun.wang Bo-Chun Wang
            bo-chun.wang Bo-Chun Wang
            Votes:
            0 Vote for this issue
            Watchers:
            6 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved:

              Gerrit Reviews

                There are no open Gerrit changes

                PagerDuty