Would someone provide instructions to configure memory allocation? Given the sporadic kernel “out of memory”/dump messages, 3x increased swapping, and increasing application degraded response, it seems our app is sometimes running out of memory. Our system currently has 8GB mem and 2GB swap. Detail…

How many unicorns are you running? It is set on your /var/discourse/containers/app.yml file.

Hi Rafael - In the “env” section of app.yml, I see we are configured to use 4. [Screen Shot 2020-10-20 at 1.17.24 PM]

Did you re-run discourse-setup after you upped your RAM? It will tweak the memory settings accordingly. You can also read the comments in app.yml and adjust them.

Getting OoM with just 4 unicorns is really weird. This should use around 2GB, leaving 6 GB for the PG and Redis. You need to investigate what process is consuming all the memory during an OoM event, this is not normal.

Hi Rafael and team, my name is Serge and I work with mr. Happy Lee who just departed for long anticipated vacation so I’ll be working on this issue. To add to description: The server was originally built with 8GB of RAM and 2GB swap. We did not upgrade it since then. In the system log I can see e…

Are you running any plugins in this Discourse install?

We do run Scheduled Digest custom plugin, however it also runs on our two other installations and those have no issues.

[image] Serge: Scheduled Digest custom plugin Can you link that plugin source code repository here?

Hi Rafael, the plugin was paid for development by our organization, so unfortunately I am not allowed to expose the source code here. Also since the plugin works on other instances without an issue, this makes me thinking of increasing server memory resources for this particular one. The machine i…

Okay, good luck! Not much we can do to debug code we can’t see from our side. You may want to setup Prometheus exporter plugin for Discourse to follow metrics on your instance.

Out of memory errors with custom plugin

Product Support Self-hosting

Serge (Happy Serge) October 21, 2020, 9:28pm 14

Hi Benjamin, the other instances also running Ruby 2.3.1-2~ubuntu16.04.14 , I’ll test an update to see if it not breaks our Docker setup.

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Out of memory errors with custom plugin

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