[openstack-dev] [Ceilometer] Pipeline Retry Semantics ...
Monsyne Dragon
mdragon at RACKSPACE.COM
Mon Aug 26 18:29:58 UTC 2013
I added some thoughts to this.
On 8/15/13 11:20 AM, "Sandy Walsh" <sandy.walsh at rackspace.com> wrote:
>Recently I've been focused on ensuring we don't drop notifications in
>CM. But problems still exist downstream, after we've captured the raw
>event.
>
>From the efforts going on with the Ceilometer sample pipeline, the new
>dispatcher model and the upcoming trigger pipeline, the discussion
>around retry semantics has being coming up a lot.
>
>In other words "What happens when step 4 of a 10 step pipeline fails?"
>
>As we get more into processing billing events, we really need to have a
>solid understanding of how we prevent double-counting or dropping events.
>
>I've started writing down some thoughts here:
>https://wiki.openstack.org/wiki/DuplicateWorkCeilometer
>
>It's a little scattered and I'd like some help tuning it.
>
>Hopefully it'll help grease the skids for the Icehouse Summit talks.
>
>Thanks!
>-S
>
>cc/ Josh, I think the State Management team can really help out here.
>
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