Uploaded image for project: 'Qpid'
  1. Qpid
  2. QPID-4428

HA add UUID tag to avoid using an out of date queue.

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.19
    • Fix Version/s: 0.19
    • Component/s: C++ Clustering
    • Labels:
      None

      Description

      Here's the scenario: we have a cluster with primary A and backups B and C. There is a queue Q that is replicated to both. Now A dies and B takes over as primary. Before C has connected to B, a client destroys Q and creates a new queue with the same name, Q. When C does connect it sees a queue named Q and mistakenly assumes it is the same queue as it's own Q - so it has an incorrect replica of Q. The same scenario applies to exchanges.

      The fix is to tag queues and exchanges with a UUID, so backups can identify that the queue has changed even if the name is the same.

        Attachments

          Activity

            People

            • Assignee:
              aconway Alan Conway
              Reporter:
              aconway Alan Conway
            • Votes:
              0 Vote for this issue
              Watchers:
              1 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: