Comment 0 for bug 1357414

Steps to reproduce the problem.
#1 Create instance
#2 Create instance snapshot
#3 After the creation of the instance snapshot all openstack services lock for around 10 seconds

The problem is always reproducible.

Overview of the environment:
nova - 2.15.0
neutron - 2.3.0
glance - 0.11.0
cinder - 1.0.6
keystone - 0.3.2

RabbitMQ
 {running_applications,[{rabbit,"RabbitMQ","2.7.1"},
                        {os_mon,"CPO CXC 138 46","2.2.7"},
                        {sasl,"SASL CXC 138 11","2.1.10"},
                        {mnesia,"MNESIA CXC 138 12","4.5"},
                        {stdlib,"ERTS CXC 138 10","1.17.5"},
                        {kernel,"ERTS CXC 138 10","2.14.5"}]},
 {os,{unix,linux}},
 {erlang_version,"Erlang R14B04 (erts-5.8.5) [source] [64-bit] [smp:8:8] [rq:8] [async-threads:30] [kernel-poll:true]\n"},
 {memory,[{total,30703760},
          {processes,14640352},
          {processes_used,14630712},
          {system,16063408},
          {atom,1124441},
          {atom_used,1120308},
          {binary,478496},
          {code,11134417},
          {ets,986440}]},
 {vm_memory_high_watermark,0.39999999997532165},
 {vm_memory_limit,3241710387}]