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It looks like the "Maximum number of events to queue" limit must be > 0 (found in CF 8 admin > EVENT GATEWAYS > Settings) and that if this limit is exceeded this some events will be lost..
I don't want to loose events, so is there some way to set the limit to ∞?
erikvold
Posted 2011-03-07T23:44:37.230
Reputation: 3 077
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You can check to see if the threads queued are GTE the max before adding to the queue
https://stackoverflow.com/questions/5236261/how-to-know-when-sendgatewaymessage-fails
geekatwork
Posted 2011-03-07T23:44:37.230
Reputation: 11
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I don't believe there is a way to not have a limit. However, if you simply don't ever want to lose an event, just set it to an obscenely high number.
Remember, as soon as something is done processing, it's out of the queue and the next item can go in, so set the number much higher than you think your maximum throughput should be, and you're good to go.
Dan Short
Posted 2011-03-07T23:44:37.230
Reputation: 266
well that might work, except for http://superuser.com/questions/254910/cant-change-coldfusion-8s-event-gateways-settings
– erikvold – 2011-03-08T17:34:40.567what I really need is a method to determine when a message is lost b/c the event queue is full, so that I can act accordingly.. – erikvold – 2011-03-08T17:41:38.683
Even queue is not the same as threads. You can have one thread (processing one event at a time) and then have multiple events queued and ready to go. As for knowing when something doesn't get queued, I'm not up to speed on that one, as I've never actually hit the limit yet... – Dan Short – 2011-03-08T19:14:41.830