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  1. Core Server
  2. SERVER-21444

WiredTiger replica set member is getting behind while syncing the oplog during the initialSync

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Details

    • Bug
    • Status: Closed
    • Critical - P2
    • Resolution: Duplicate
    • 3.0.7
    • None
    • Replication, WiredTiger
    • None
    • ALL

    Description

      During the oplog sync phase of the initial sync, the WiredTiger replica set is getting behind (almost 8 hours per day). It could be related to SERVER-21230 or SERVER-16575.

      namespace               operation    pattern    count    min (ms)    max (ms)    mean (ms)    95%-ile (ms)    sum (ms)
       
      local.system.replset    query        None         179           0        3607          144           882.1    25944
      

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        1. iostat_timeseries.png
          iostat_timeseries.png
          148 kB
        2. ss_timeseries.png
          ss_timeseries.png
          117 kB

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              Unassigned Unassigned
              ricardo.lorenzo Ricardo Lorenzo
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                Created:
                Updated:
                Resolved: