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[Bug 1380670] Re: python-memcached misses working backend

 

** Project changed: keystone => python-memcached

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https://bugs.launchpad.net/bugs/1380670

Title:
  python-memcached misses working backend

Status in Memcached for python:
  New

Bug description:
  In multi-backend case there is always a chance for client to miss a
  working backend among not responding.

  Assuming memcached is up and running on localhost:11211:

  import memcache
  import random
  cl = memcache.Client(['localhost:11211', 'localhost:11212', 'localhost:11213', 'localhost:11214'])
  while cl.set(str(random.random()), 1): pass

  'while' must be an infinite loop since cl.set() returns True on
  success but it exits in milliseconds instead.

  Bug may be fixed by changing backend selection logic, patch attached.

  The other way is to use https://github.com/linsomniac/python-
  memcached2/ as linsomniac suggested: https://github.com/linsomniac
  /python-memcached/pull/57

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