Backups to S3 have been working for several years. Starting a month ago, I often get several notifications that the backup failed. Then it retries, and about an hour later fails again, so I get a second notification, and often up to six notifications in one day before it finally succeeds. The log f…

[image] markschmucker: [2025-05-20 07:34:28] EXCEPTION: Sidekiq::Shutdown Could you be running out of memory? That exception makes me think that Sidekiq (which runs the automatic backups) is either killed by the OS or crashes for some other reason. Did you try rebuilding the Docker container…

[image] gerhard: Could you be running out of memory? I don’t think so. The server is overkill for our community with 16GB RAM. top shows 11GB free memory, and that hardly changes if I manually trigger a backup. I’ll check /var/log/syslog tomorrow for anything about memory, kill, or OOM. (Can…

I do have this in /logs. This particular warning did not coincide with the backup- I’ll check for that in the morning (backups are done at night). But I didn’t realize Discourse its own memory check- I thought you were referring to the OOM killer. Can I increase the allowed memory size for Sidekiq? …

I believe that fixed it- want to see a couple more clean nightly backups to be sure. Will post here.

Yes, it’s fixed. You can close this topic.

Backups fail to upload to S3 several times- works eventually

Support

gerhard (Gerhard Schlager) May 26, 2025, 5:50pm 5

Indeed, I was referring to the OOM killer. I completely forgot that there’s a memory limit for Sidekiq. Did increasing memory for Sidekiq help?

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Backups fail to upload to S3 several times- works eventually

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