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  1. Couchbase Server
  2. MB-6619

XDC: get latency is ~ 10 times higher on destination nodes

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.0-beta-2
    • Component/s: XDCR
    • Security Level: Public
    • Labels:
    • Environment:
      Virtual and physical machines (4-to-4 nodes, CentOS 5.8), build 1701.

      Description

      Test specification:
      xperf-mixed-1-uni/xperf-read-1-uni
      https://docs.google.com/spreadsheet/ccc?key=0AgLUessE73UXdHdrVGZoRDVwY1pEOW84TDFIM1k0TUE#gid=0

      – 1.7 ms vs. 24.6 ms (90th percentile, VMs).
      – 0.75ms vs. 6.17 ms (90th percentile, physical machines)

      Yammer conversation:
      https://www.yammer.com/couchbase.com/#/Threads/show?threadId=211301672

      No reviews matched the request. Check your Options in the drop-down menu of this sections header.

        Activity

        Hide
        sharon Sharon Barr (Inactive) added a comment -

        I believe it is due to the high CPU usage on the destination. Damien is working on it.

        Show
        sharon Sharon Barr (Inactive) added a comment - I believe it is due to the high CPU usage on the destination. Damien is working on it.
        Hide
        junyi Junyi Xie (Inactive) added a comment -

        Talked to Damien yesterday, there are a few improvement we can do on destination side, I am now working on that.

        Show
        junyi Junyi Xie (Inactive) added a comment - Talked to Damien yesterday, there are a few improvement we can do on destination side, I am now working on that.
        Show
        junyi Junyi Xie (Inactive) added a comment - http://review.membase.org/#/c/20768/ http://review.couchbase.org/#/c/20810/ http://review.couchbase.org/#/c/20868/
        Hide
        thuan Thuan Nguyen added a comment -

        Integrated in github-ns-server-2-0 #468 (See http://qa.hq.northscale.net/job/github-ns-server-2-0/468/)
        MB-6619: remove unnecessary stats polling in ensure_fulll_commit (Revision 5d443e20df6d464f69d5a94b32ea5feaf2ef3945)

        Result = SUCCESS
        pwansch :
        Files :

        • src/ns_config_default.erl
        • src/capi_frontend.erl
        • src/mc_connection.erl
        Show
        thuan Thuan Nguyen added a comment - Integrated in github-ns-server-2-0 #468 (See http://qa.hq.northscale.net/job/github-ns-server-2-0/468/ ) MB-6619 : remove unnecessary stats polling in ensure_fulll_commit (Revision 5d443e20df6d464f69d5a94b32ea5feaf2ef3945) Result = SUCCESS pwansch : Files : src/ns_config_default.erl src/capi_frontend.erl src/mc_connection.erl
        Hide
        pavelpaulau Pavel Paulau added a comment -

        Verified.

        Show
        pavelpaulau Pavel Paulau added a comment - Verified.

          People

          • Assignee:
            junyi Junyi Xie (Inactive)
            Reporter:
            pavelpaulau Pavel Paulau
          • Votes:
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            Watchers:
            0 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Gerrit Reviews

              There are no open Gerrit changes