Hi my site is https://1o24bbs.com/ No upgrade no operation, out of nowhere nginx shows it fails to connect to upstream: http://127.0.0.1:3000 How do I trouble shoot it? Appreciate the help

/shared/log/rails# tail -f unicorn.stdout.log 2021-07-08T09:01:03.403Z pid=682 tid=sim ERROR: Error fetching job: Error connecting to Redis on localhost:6379 (Errno::EADDRNOTAVAIL) 2021-07-08T09:01:03.412Z pid=682 tid=t4m ERROR: Error fetching job: Error connecting to Redis on localhost:6379 (Err…

/var/log/redis# tail -f current 553:M 08 Jul 2021 09:11:59.078 * 10000 changes in 60 seconds. Saving… 553:M 08 Jul 2021 09:11:59.079 * Background saving started by pid 1270 1270:C 08 Jul 2021 09:12:01.584 * DB saved on disk 1270:C 08 Jul 2021 09:12:01.595 * RDB: 0 MB of memory used by copy-on-w…

During rebuild app, there is error Failed listening on port 6379

Is this a Discourse official Standard Installation ? Do you have sufficient disk space (I guess you’d have noticed if you tried to rebuild). It appears to be a problem with redis, though I can’t tell why from what you’ve put here.

Yes, the website has been running fine for years I am beginning to think maybe it is not redis issue. Sidekiq is more of a background job, right? That should not make http://127.0.0.1:3000 not reachable

More logs in nginx 2021/07/08 10:54:31 [error] 570#570: *169 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 100.19.76.187, server: _, request: “POST /message-bus/4cf07f106ff14fd885fd735ea28abce4/poll?dlp=t HTTP/2.0”, upstream: “ http://127.0.0.1:…

In production.log, I see Processing by CategoriesController#index as HTML Parameters: {“41528430213d6ae753e074e11328b67b”=>nil} Job exception: FATAL: the database system is shutting down

@pfaffman How do I flush redis? Thanks!

Thanks! My website is running the latest version of discourse. I have been running the latest version for at least one month. I didn’t manually upgrade PogreSQL but I think Postgresql is version 13. How do I make sure of that? $ psql -V psql (PostgreSQL) 13.3 (Debian 13.3-1.pgdg100+1)

Nginx upstream timed out (110: Connection timed out)

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pfaffman (Jay Pfaffman) July 8, 2021, 11:25am 11

Have you done PostgreSQL 13 update.

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Nginx upstream timed out (110: Connection timed out)

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