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  1. Couchbase Server
  2. MB-6796

perf - 10x slower rebalance performance with consistent view turned on

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Details

    • Bug
    • Resolution: Fixed
    • Blocker
    • 2.0-beta-2
    • 2.0
    • ns_server
    • Security Level: Public
    • centos

    Description

      For build 1782, rebalance took ~6800 seconds (8M workload , 2 -> 4 nodes with consistent view turned on by default).

      By contrast, build 1723, rebalance took ~500 seconds for the same workload, without consistent views.

      Please refer to attached screenshot.

      Attachments

        1. diag.zip
          16.46 MB
        2. diag0.bz2
          1.98 MB
        3. diag-2.zip
          17.72 MB
        4. diag3.bz2
          1.72 MB
        5. reb-1-2.loop_2.0.0-1782-rel-enterprise_2.0.0-1782-rel-enterprise_terra_Oct-01-2012_18-57-11.pdf
          2.26 MB
        6. reb-1782-cons-views.png
          reb-1782-cons-views.png
          176 kB
        7. Screen Shot 2012-10-02 at 2.33.34 PM.png
          Screen Shot 2012-10-02 at 2.33.34 PM.png
          133 kB
        For Gerrit Dashboard: MB-6796
        # Subject Branch Project Status CR V
        21523,10 MB-6796 Prioritize flushing pending vbuckets over regular vbuckets master ep-engine Status: MERGED +2 +1
        21607,3 MB-6796: implemented CMD_CHECKPOINT_PERSISTENCE support master ns_server Status: MERGED +2 +1
        21608,5 MB-6796: use CMD_CHECKPOINT_PERSISTENCE during rebalance master ns_server Status: MERGED +2 +1

        Activity

          People

            chiyoung Chiyoung Seo (Inactive)
            ronnie Ronnie Sun (Inactive)
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            Dates

              Created:
              Updated:
              Resolved:

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