Uploaded image for project: 'Core Server'
  1. Core Server
  2. SERVER-26748

Don't call for priority takeover when repl lagged

    XMLWordPrintable

    Details

      Description

      Currently in pv1 we call for priority takeover without concern for whether the higher priority node is caught up in replication, which can lead to unnecessary rollbacks of w:1 writes. If we avoid calling for an election due to priority takeover if we are more than X seconds repl lagged, then that in combination with the catchup period should prevent any writes from being lost during priority takeover.

        Attachments

          Issue Links

          is documented by

          Task - A task that needs to be done. DOCS-9475 Docs for SERVER-26748: Don't call for priority takeover when repl lagged

          • Major - P3 - Major loss of function.
          • Open
          is related to

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-26725 Automatically reconfig pv1 replica sets using priorities or arbiters to pv0

          • Major - P3 - Major loss of function.
          • Closed
          related to

          Bug - A problem which impairs or prevents the functions of the product. SERVER-27056 Don't enforce data freshness for step-up command

          • Major - P3 - Major loss of function.
          • Closed

            Activity

              People

              Assignee:
              spencer Spencer Brody
              Reporter:
              spencer Spencer Brody
              Participants:
              Votes:
              0 Vote for this issue
              Watchers:
              8 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved: