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submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

We've upgraded lemmy.world to 0.18.1-rc.1 and rolled back that upgrade because of issues.

(If you had posted anything in those 10 minutes between upgrade and rollback, that post is gone. Sorry!)

The main issue we saw is that users can't login anymore. Existing sessions still worked, but new logins failed (from macos, ios and android. From linux and windows it worked)

Also new account creation didn't work.

I'll create an issue for the devs and retry once it's fixed.

Edit Contacted the devs, they tell me to try again with lemmy-ui at version 0.18.0. Will try again, brace for some downtime!

Edit 2 So we upgraded again, and it seemed to work nicely! But then it slowed down so much it was unuseable. There were many locks in the database. People reported many JSON errors. Sorry, we won't be on 0.18.1 any time soon I'm afraid..

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[-] [email protected] 97 points 1 year ago

Thank you for the transparancy!

[-] [email protected] 9 points 1 year ago

I love post like this, another reason of why this instance is so good

[-] [email protected] 44 points 1 year ago

Thanks for all your hard work @[email protected]. It's not easy!

[-] [email protected] 30 points 1 year ago

As any engineer who does ops can tell you - you did the right thing - the solution is always to roll back, never force a roll forward, ever.

We should totally do pre and post update parties though. Even if the update fails we can have an excuse for drinks and a fun thread.

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[-] [email protected] 21 points 1 year ago

Both Dessalines and Nutomic have been working their butts off to get 0.18.x ready for the Reddit API changes. Huge hopes they can pull through!

Dessalines:

Nutomic:

[-] imaqtpie 6 points 1 year ago

Yeah they've been hard at work all month. But it's also okay if things aren't ready in time. Most of the people who matter are already here.

Maybe we will blow up soon, maybe later, but the quality of content here is sufficient to drive growth regardless of whether or not we get the prophesized huge migrations from reddit

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[-] [email protected] 18 points 1 year ago

is that users can’t login anymore

Ouch, that's bad :(

Thank you for your work, as always :)

[-] [email protected] 6 points 1 year ago

I mean that’s a Tuesday on Reddit lmao.

[-] [email protected] 17 points 1 year ago

Thanks for the hard work /u/ruud, we'll get there

[-] [email protected] 15 points 1 year ago

UI: 0.18.0 BE: 0.18.1-rc.1 👍

seems to be working for me, I was already logged on

[-] [email protected] 14 points 1 year ago

Just curious, why are we updating now instead of waiting for the proper 0.18.1 release?

[-] [email protected] 16 points 1 year ago

Because of a few things, really anoying bugs and the Jerboa app not working properly with older versions

[-] [email protected] 9 points 1 year ago* (last edited 1 year ago)

Reasons I can think of:

  1. The official Android client for lemmy, Jerboa, only supports 0.18 and later, unless users download older version from github and sideload manually.

  2. Sorting is broken pre 0.18, new posts keeps flowing in.

  3. Performance improvement by removing web socket from lemmy. (which fixes 2, which is why 1. happens)

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[-] [email protected] 9 points 1 year ago

I suspect there will be a large influx of new users in two days, and that having Jerboa not working on .world might cause a few issues

[-] [email protected] 7 points 1 year ago* (last edited 1 year ago)

Federation is completely borked with .18 servers. Its very difficult for us to interact with https://lemmy.ca in any way: subscribing, upvoting, comments, posting... its all bugged.

Its maybe not that big a deal because Lemmy.world "has the most users", so in some regards its https://lemmy.ca's loss but... we need to restore reliable federation... especially before the July 1st rush IMO.

The .17 to .18 upgrade is basically a soft-defederation event, because of whatever this bug is between the two versions.

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[-] [email protected] 6 points 1 year ago

For example the frontpage is no longer being constantly filled with random posts when you set the filter to "active" or "top day".

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[-] [email protected] 9 points 1 year ago

I’ve found from hopping around some other instances that have upgraded to 0.18 that it is still pretty buggy. It does seem to be giving more information about the errors, instead of just failing like in 0.17, but spend any time browsing on those instances and you’re bound to be inundated with JSON and query errors. It also seems to get worse the longer you browse.

The UI changes are nice, and I do appreciate not having my feed auto-updating constantly, but I think you’d be making the right choice to hold off on upgrading until they can iron 0.18.1 out all the way. I’m not super knowledgeable about TS and Rust, but as a user it seems that switching from WebSocket created/shined a light on Lemmy’s issues with caching in general.

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[-] [email protected] 8 points 1 year ago* (last edited 1 year ago)

Thanks for the transparency. Maybe it’s a good idea to have a test instance and some test cases/validation done there before updating the main instance. This is a regular process in any software/tech company/stack.

Testing should never be done directly on the prod instance.

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[-] [email protected] 8 points 1 year ago

appreciate the transparency. how are things looking in the back in lemmy.world (server wise)? will we get to a point where it wont require complete rollbacks on the state when a botched update gets rolled out?

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[-] [email protected] 7 points 1 year ago

@[email protected] just wondering if you have considered setting up a second, beta, instance of lemmy.world open to the public?

With all the performance issues with 0.18.1, it's highlighted that there needs to be a way to stress test these updates before applying them to the main instance.

[-] [email protected] 6 points 1 year ago

Yes, considering that. But we'll need people to use that when we will do testing...

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[-] [email protected] 7 points 1 year ago
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[-] [email protected] 7 points 1 year ago

Suddenly my Jerboa won't change from local and I can't change the sort. Not sure if this is related, but it was working fine yesterday after I updated the app. But no longer this morning.

[-] sockenklaus 5 points 1 year ago

What you're describing is an issue introduced with Jerboa 0.0.36-alpha and has been fixed in today released 0.0.37-alpha.

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[-] [email protected] 7 points 1 year ago* (last edited 1 year ago)

Eveyrthing (UI) is extremely slow now. Not an improvement at all.

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[-] [email protected] 7 points 1 year ago* (last edited 1 year ago)

I am glad I didn't write my last post during the upgrade process.

Maybe next time, give a warning, or maintenance notice.

Thanks for trying though.

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[-] [email protected] 6 points 1 year ago

Running one of the largest and most vibrant Lemmy instances certainly makes this deployment a great test case for the devs and the system overall. @[email protected] this community really appreciates you!

[-] [email protected] 6 points 1 year ago

Jerboa is almost unusable for me at the moment. A lot of crashes, pages not loading, messages not sending etc. But I know that's inevitable at times. Restarting my phone seemed to make it worse. But I know you guys are on it! 👍

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[-] [email protected] 6 points 1 year ago

Oh. Good luck with the next try!

[-] [email protected] 5 points 1 year ago

Linux/Firefox After upgrade many things didn't work, but they continued not to work after rollback.

Turns out I needed to clear the cache, then everything worked fine again.

[-] [email protected] 5 points 1 year ago

Thanks for the info. You're doing a great job!

[-] [email protected] 4 points 1 year ago

Bummer. Other instances apparently managed to upgrade, but none has the scale of lemmy.world, so that was bound to stretch things to their breaking point. Hopefully the devs are on top of whatever's causing it!

[-] [email protected] 4 points 1 year ago

Seems 0.18 is up... and...

OH NO ! The interface changed ! Bring it back ! Bring it back... /s

Just kidding... It's looking good, so it's time to explore a little and find all the new stuff.

Nice work @Rudd, thanks for all the hard work.

[-] [email protected] 4 points 1 year ago

I am glad y'all rolled back. I had just enabled 2FA and could not login to my account. Rolling back removed 2FA so I was able to log back in. Thanks.

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this post was submitted on 28 Jun 2023
432 points (98.2% liked)

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