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A comment on How Is Critical Life or Death Software Tested?. Parent comment

Re:How Is Critical Life or Death Software Tested? by rzzzt on Monday June 01, 2015 @05:04PM (#9642144)
Dropwizard (a web application framework/library) incorporates the idea of such health checks, and you can also implement additional ones specific to the application. It is encouraged to run them periodically in production to ensure that the database connection is still up, threads are not stepping on each others' toes, etc.

https://dropwizard.github.io/dropwizard/manual/core.html#hea...

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Re:How Is Critical Life or Death Software Tested? by joshrotenberg on Monday June 01, 2015 @05:16PM (#9642215)
That uses the metrics library by the same author. Very handy stuff in there for development and production.

https://dropwizard.github.io/metrics/3.1.0/

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