haven't verified this bug in Ceilometer yet but regarding monkey_patching eventlets... that solution won't work in Ceilometer as it causes issues (see Julien's comment in https://bugs.launchpad.net/ceilometer/+bug/1291054)
if monkey_patching eventlets is the solution, we'll need to do something differently in Ceilometer.
haven't verified this bug in Ceilometer yet but regarding monkey_patching eventlets... that solution won't work in Ceilometer as it causes issues (see Julien's comment in https:/ /bugs.launchpad .net/ceilometer /+bug/1291054)
if monkey_patching eventlets is the solution, we'll need to do something differently in Ceilometer.