Grafana graph here: [image] App memory goes from blue line, to yellow line, to orange line. It’s strange, when I did a deploy the memory went down and start climbing non-stop ultimately spiking super high to almost 2.5GB then back down. (yellow line) After we deployed a new version of the app …

I would advise You to look at… Erlang in anger Solid ground

Does this happen on your local machine? Are you able to start :observer.start on it?

If it happens again, could you maybe run iex(backend@127.0.0.1)1> :erlang.memory [total: 94042312, processes: 41818232, processes_used: 41818232, system: 52224080, atom: 1090753, atom_used: 1075093, binary: 1951008, code: 35960034, ets: 2757600] on the node? It would at least show what’s growing…

Great insight guys, that second video Koko linked was very interesting. It seems the next time this happens, I will dive into the process as it’s running to see what’s up. When I find the concrete culprit I’ll update this thread with what was causing it.

I had a similar problem awhile back. The cause ended up being a combination of factors. What was supposed to be a transient GenServer was effectively permanent thanks to a bad return tuple from a handler that should have shut it down—instead it forced an error, which resulted in a restart. That, in …

[image] sergio: Great insight guys, that second video Koko linked was very interesting. It seems the next time this happens, I will dive into the process as it’s running to see what’s up. When I find the concrete culprit I’ll update this thread with what was causing it. People love blogs or p…

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Memory started increasing linearly non-stop. Where to look?

Questions & Help Questions

kokolegorille February 6, 2018, 6:09am 2

I would advise You to look at…

Erlang in anger
Solid ground