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====================
Check queue perfdata
====================
Use case
--------
Sometimes OpenStack services use common messaging system very prodigally. For
example Neutron metering agent sending all database table data on new object
creation i.e https://review.openstack.org/#/c/143672/. It cause to Neutron
degradation and other obvious problems. It will be nice to have a way to track
messages count and messages size in queue during tasks.
Problem description
-------------------
Heavy usage of queue isn't checked.
Possible solution
-----------------
* Before running task start process which will connect to queue
topics and measure messages count, size and other data which we need.
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