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  1. Couchbase Server
  2. MB-9706

Sudden spikes in XDCR replication queue

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Details

    • Bug
    • Resolution: Won't Fix
    • Major
    • 2.5.0
    • 2.2.0, 2.5.0
    • XDCR
    • Security Level: Public
    • None
    • Platform = Physical
      OS = CentOS 6.5
      CPU = Intel Xeon E5-2630
      Memory = 64 GB
      Disk = 2 x HDD

    Description

      2 -> 2 UniDir, 1 bucket x 25M x 2KB, DGM, 10K mixed ops/sec (per cluster). More details:
      https://raw.github.com/pavel-paulau/perfrunner/master/tests/xdcr_2x2_unidir_25M_dgm.test

      Continuation of our email thread. It doesn't correlate with compaction, interval is actually not constant. So what's going on?

      Attachments

        1. changes_left-vs-waiting_vbreps_14400.jpeg
          92 kB
          Pavel Paulau
        2. spikes.jpeg
          102 kB
          Pavel Paulau
        3. waiting_vb_repl.jpeg
          80 kB
          Pavel Paulau

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. MB-8824 XDC replication seems to be replicating data in bursts, would expect this to be more uniform

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed
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              pavelpaulau Pavel Paulau (Inactive)
              pavelpaulau Pavel Paulau (Inactive)
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              Dates

                Created:
                Updated:
                Resolved:

                Gerrit Reviews

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                  PagerDuty