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[sahid <sahid.ferdjaoui@xxxxxxxxxxxxx>]

Actually after some investigation it looks like we use the version 1.48
and this version handles a param 'socket_timeout' in the client
constructor.

We can add a option to configure it.

** Changed in: nova
   Importance: Undecided => Wishlist

** Changed in: nova
       Status: New => Confirmed

** Changed in: nova
     Assignee: (unassigned) => sahid (sahid-ferdjaoui)

** Changed in: nova
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/1293794

Title:
  memcached_servers timeout causes poor API response time

Status in OpenStack Compute (Nova):
  Invalid

Bug description:
  In nova.conf, when configured for HA by setting the memcached_servers
  parameter to several memcached servers in the nova API cluster, e.g.:

  memcached_servers=192.168.50.11:11211,192.168.50.12:11211,192.168.50.13:11211

  If there are memcached servers on this list that are down, the time it
  takes to complete Nova API requests increases from < 1 second to 3-6
  seconds.

  It seems to me that Nova should protect itself from such performance
  degradation in an HA scenario.

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