An API implementation is deployed on a single worker on CloudHub and invoked by external API clients (outside of CloudHub). How can an alert be set…

Correct Answer: Configure a “Worker not responding” alert in Anypoint Runtime Manager.

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>> All the options eventually helps to generate the alert required when the application stops

responding.

>> However, handling exceptions within calling API and then raising alert from API client is

inappropriate and silly. There could be many API clients invoking the API implementation and it is not

ideal to have this setup consistently in all of them. Not a realistic way to do.

>> Implementing a health check/ heartbeat with in the API and calling from outside to detmine the

health sounds OK but needs extra setup for it and same time there are very good chances of

generating false alarms when there are any intermittent network issues between external tool

calling the health check API on API implementation. The API implementation itself may not have any

issues but due to some other factors some false alarms may go out.

>> Creating an alert in API Manager when the API receives no requests within a specified time period

would actually generate realistic alerts but even here some false alarms may go out when there are

genuinely no requests from API clients.

The best and right way to achieve this requirement is to setup an alert on Runtime Manager with a

condition "Worker not responding". This would generate an alert AS SOON AS the workers become

unresponsive.

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