slouchpie

slouchpie

:tzdata_release_updater process has over 800_000_000 reductions - is it expected?

Restarting a live app, I can see in LiveView dashboard (Processes tab) that :tzdata_release_updater process is using 416 KB of memory and yet has over 800_000_000 (0.8 billion) “reductions”.

  1. What is a “reduction”, when we are talking about processes?
  2. Is it normal to have so many reductions for a single process?

I don’t think this is causing me any problems but I want to understand what it means.

Marked As Solved

hauleth

hauleth

Unit of computation in Erlang. You can read it as “instructions” executed by the VM for given process.

In long running processes - nothing terrible, in short-lived it could mean that you have infinite loop somewhere.

If you do not see any issues in application, then there is nothing to worry.

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