Uploaded image for project: 'Core Server'
  1. Core Server
  2. SERVER-16078

Exponentially back off for write conflict exceptions.

    XMLWordPrintable

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.8.0-rc1
    • Component/s: Storage, Write Ops
    • Labels:
      None
    • Operating System:
      ALL

      Description

      Reported by Asya Kamsky

      2014-11-10T20:17:48.350-0500 I WRITES   [conn20] Had WriteConflict doing update on ycsb.usertable, attempt: 8719 retrying
      2014-11-10T20:17:48.350-0500 I WRITES   [conn22] Had WriteConflict doing update on ycsb.usertable, attempt: 8874 retrying
      2014-11-10T20:17:49.684-0500 I WRITES   [conn20] Had WriteConflict doing update on ycsb.usertable, attempt: 8720 retrying
      2014-11-10T20:17:49.684-0500 I WRITES   [conn22] Had WriteConflict doing update on ycsb.usertable, attempt: 8875 retrying
      2014-11-10T20:17:49.685-0500 I WRITES   [conn20] Had WriteConflict doing update on ycsb.usertable, attempt: 8721 retrying
      2014-11-10T20:17:52.434-0500 I WRITES   [conn22] Had WriteConflict doing update on ycsb.usertable, attempt: 8876 retrying
      2014-11-10T20:17:52.436-0500 I WRITES   [conn22] Had WriteConflict doing update on ycsb.usertable, attempt: 8877 retrying

      Wondering if this fix is doing what it's intended.... The highest numbers I see are:

      2014-11-10T21:23:51.260-0500 I WRITES   [conn67] Had WriteConflict doing update on ycsb.usertable, attempt: 12369 retrying
      2014-11-10T21:23:51.260-0500 I WRITES   [conn67] Had WriteConflict doing update on ycsb.usertable, attempt: 12370 retrying
      2014-11-10T21:23:51.260-0500 I WRITES   [conn67] Had WriteConflict doing update on ycsb.usertable, attempt: 12371 retrying
      2014-11-10T21:23:51.260-0500 I WRITES   [conn67] Had WriteConflict doing update on ycsb.usertable, attempt: 12372 retrying
      2014-11-10T21:23:51.260-0500 I WRITES   [conn67] Had WriteConflict doing update on ycsb.usertable, attempt: 12373 retrying
      2014-11-10T21:23:51.260-0500 I WRITES   [conn67] Had WriteConflict doing update on ycsb.usertable, attempt: 12374 retrying
      2014-11-10T21:23:51.260-0500 I WRITES   [conn67] Had WriteConflict doing update on ycsb.usertable, attempt: 12375 retrying
      2014-11-10T21:23:53.794-0500 I WRITES   [conn67] Had WriteConflict doing update on ycsb.usertable, attempt: 12376 retrying

      The build includes a fix for SERVER-16046 (which may be incomplete since the same crash eventually happened).

        Attachments

          Issue Links

            Activity

              People

              Assignee:
              eliot Eliot Horowitz (Inactive)
              Reporter:
              greg_10gen Greg Studer
              Participants:
              Votes:
              0 Vote for this issue
              Watchers:
              10 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved: