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RE: Kopitalk Piefed Website Inaccessible (kopitalk.net)

submitted 1 week ago* (last edited 1 week ago) by 1.ceramics926@kopitalk.net to c/piefed_help@piefed.social

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Piefed v1.6.10
Debian Linux 13 Trixie
Docker
kopitalk.net

Expectation: Piefed to load normally on browser.

Observation: There's no pattern that I can make out, but since March 10, Piefed cannot be loaded on browser without warning. I checked the VPS and it functions as expected, I pulled the logs for "pyfedi-adminer-1", "pyfedi-db-1", and "pyfedi-redis-1", each seemed to indicate time stamps that suggested things were still working in the background.

Efforts: I'm not really familiar with troubleshooting so I pulled the old off and on dance move here and restarted the docker. For what it's worth the site loads normally at first, but quickly returns to being inaccessible. I ran a restore from backup 1 day back, and PieFed loaded normally without any issue.

Observation 2: Mar 11, I see the same issue happen overnight. Piefed is no longer accessible by browser. I repeated the check on the logs yesterday and it appears from timestamps that things are functioning in the background as expected.

Efforts: This time I decided to go further back, restoring from last week. I'm presently at Piefed v.1.6.8. I'm not sure if I should wait a bit and update to v.1.6.11.

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[–] rimu@piefed.social 3 points 1 week ago (1 children)

Yeah that sounds better.

I normally use https://pgtune.leopard.in.ua/. Based on that I recommend:

shared_buffers = 1GB
effective_cache_size = 2GB
maintenance_work_mem = 256MB
checkpoint_completion_target = 0.9
wal_buffers = 16MB
default_statistics_target = 100
random_page_cost = 1.1
effective_io_concurrency = 200
work_mem = 16MB
huge_pages = off
min_wal_size = 1GB
max_wal_size = 3GB

[–] 1.ceramics926@kopitalk.net 1 points 1 week ago (1 children)

I checked the memory records from last night and I do see the VPS hover in the 90% range, finally spiking to 98.9% when something probably finally choked.

Thanks for teaching me something new!

[–] rimu@piefed.social 4 points 1 week ago

PieFed.social used to have 4 GB of ram so it's totally doable, with a bit of tuning. I will tweak the default compose file to have smaller values because all servers are small at the start.