Zaqar/bp/ops-stats
< Zaqar
Stats Collector
We need to gather several stats. Some of these will need to be exposed via the API (bp/advanced-queue-stats), but the first step is recording, which is what this bp is all about.
Note: Use a storage driver middleware approach for metering/stats initially (ala Swift)
Here are some possible metrics (starred items are most important).
Per Cluster =
- Storage stats
- Storage health
Per account
- Number of queues*
- Total messages/day
- Average messages/sec*
Per queue
- Average messages/sec enqueued*
- Number of messages*
- Life of queue (how long since created)
- Number of producers
- Number of workers
- Number of subscribers
- Average message size
- Average message TTL
- Average message lifetime (explicitly deleted)
- Average claim TTL
- Average claim lifetime
- Average number of messages posted per request
- Average number of messages requested per GET or claim
Operations should be able to aggregate and graph these metrics across acounts.
See also: http://eavesdrop.openstack.org/meetings/marconi/2013/marconi.2013-06-27-19.05.log.html
