yahoo-eng-team team mailing list archive

[Alan Pevec <1261631@xxxxxxxxxxxxxxxxxx>]

** Tags removed: in-stable-havana

** Also affects: oslo/havana
   Importance: Undecided
       Status: New

** Changed in: oslo/havana
       Status: New => Fix Committed

** Changed in: oslo/havana
   Importance: Undecided => Low

** Changed in: oslo/havana
     Assignee: (unassigned) => Ihar Hrachyshka (ihar-hrachyshka)

** Also affects: neutron/havana
   Importance: Undecided
       Status: New

** Changed in: neutron/havana
       Status: New => In Progress

** Changed in: neutron/havana
   Importance: Undecided => Low

** Changed in: neutron
   Importance: Undecided => Low

** Changed in: neutron/havana
     Assignee: (unassigned) => Ihar Hrachyshka (ihar-hrachyshka)

** Changed in: neutron/havana
    Milestone: None => 2013.2.3

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https://bugs.launchpad.net/bugs/1261631

Title:
  Reconnect on failure for multiple servers always connects to first
  server

Status in OpenStack Neutron (virtual network service):
  In Progress
Status in neutron havana series:
  In Progress
Status in Oslo - a Library of Common OpenStack Code:
  Fix Committed
Status in oslo havana series:
  Fix Committed
Status in Messaging API for OpenStack:
  Fix Released

Bug description:
  In attempting to reconnect to an AMQP server when a communication
  failure occurs, both the qpid and rabbit drivers target the configured
  servers in the order in which they were provided.  If a connection to
  the first server had failed, the subsequent reconnection attempt would
  be made to that same server instead of trying one that had not yet
  failed.  This could increase the time to failover to a working server.

  A plausible workaround for qpid would be to decrease the value for
  qpid_timeout, but since the problem only occurs if the failed server
  is the first configured, the results of the workaround would depend on
  the order that the failed server appears in the configuration.

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