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PID Limits

Aptible limits the maximum number of tasks (processes or threads) that can be running in your Containers in order to protect its infrastructure against denial-of-service attacks such as fork bombs.

The PID limit for a single Container is set very high (on the order of the default for a Linux system), so unless your App is misbehaving and allocating too many processes or threads, you're unlikely to ever hit this limit.

That said, if you'd like to keep track of your PID usage vs. limit, you can gain access to this information through Metric Drains.