Comment 2 for bug 1275754

analysis of the puppet apply logs shows that a lot of time is spent on the tasks that are reading disks are extremely slow.
need logs from another env to confirm this bug.

Top lines:
01 - 94.18 sec (1.57 min) 4001 (/Stage[main]/Heat::Engine/Service[heat-engine]) Triggered 'refresh' from 36 events
02 - 81.11 sec (1.35 min) 120 (/Stage[netconfig]/L23network::L2/Package[kmod-openvswitch]/ensure) created
03 - 59.20 sec (0.99 min) 3744 (/Stage[main]/Galera/Service[mysql]/enable) enable changed 'true' to 'true'
04 - 56.11 sec (0.94 min) 4000 (/Stage[main]/Heat::Engine/Service[heat-engine]/enable) enable changed 'true' to 'true'
05 - 46.71 sec (0.78 min) 209 (/Firewall[105 nova ]/ensure) created
06 - 38.82 sec (0.65 min) 3591 (/Stage[main]/Rabbitmq::Server/Package[rabbitmq-server]/ensure) created
07 - 31.81 sec (0.53 min) 150 (L3_if_downup[eth2](provider=ruby)) Interface 'eth2' up.
08 - 30.03 sec (0.50 min) 189 (/Stage[corosync_setup]/Osnailyfacter::Cluster_ha::Virtual_ips/Cluster::Virtual_ips[management_old]/Cluster::Virtual_ip[management_old]/Cs_shadow[vip__management_old]/cib) defined 'cib' as 'vip__management_old'
09 - 28.58 sec (0.48 min) 3916 (/Stage[main]/Glance::Api/Glance_cache_config[DEFAULT/auth_url]/ensure) created
10 - 27.07 sec (0.45 min) 3738 (/Stage[main]/Galera/Package[MySQL-server]/ensure) created
Sum Total: 1161.86 sec (19.36 min)