Monitoring if an application is down

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I would like to monitor if an application is down using an EPL query in Esper. The application constantly sends heart beats events every 30 seconds when running. If there are no heart beats received after 2 minutes then the application can be considered as down. To prevent spamming, output events should only be sent out every 10 minutes as long as the application is down.

I am quite sure its possible to write an EPL query for this using Esper, but I don't know how this query should look like.

Any ideas?

Thanks!

asked 1 min ago

user955732

145