Looks like it works.

Edit still see some performance issues. Needs more troubleshooting

Update: Registrations re-opened We encountered a bug where people could not log in, see https://github.com/LemmyNet/lemmy/issues/3422#issuecomment-1616112264 . As a workaround we opened registrations.

Thanks

First of all, I would like to thank the Lemmy.world team and the 2 admins of other servers @stanford@discuss.as200950.com and @sunaurus@lemm.ee for their help! We did some thorough troubleshooting to get this working!

The upgrade

The upgrade itself isn’t too hard. Create a backup, and then change the image names in the docker-compose.yml and restart.

But, like the first 2 tries, after a few minutes the site started getting slow until it stopped responding. Then the troubleshooting started.

The solutions

What I had noticed previously, is that the lemmy container could reach around 1500% CPU usage, above that the site got slow. Which is weird, because the server has 64 threads, so 6400% should be the max. So we tried what @sunaurus@lemm.ee had suggested before: we created extra lemmy containers to spread the load. (And extra lemmy-ui containers). And used nginx to load balance between them.

Et voilà. That seems to work.

Also, as suggested by him, we start the lemmy containers with the scheduler disabled, and have 1 extra lemmy running with the scheduler enabled, unused for other stuff.

There will be room for improvement, and probably new bugs, but we’re very happy lemmy.world is now at 0.18.1-rc. This fixes a lot of bugs.

  • Tontoz@lemmy.world
    12·
    2 years ago

    Really like seeing posts like this that explain what’s going on. Thanks for all the hard work!

      • gfdoto@lemmy.world
        1·
        2 years ago

        Seeing this post immediately made my ditch my neglected Lemmy instance to sign up for an account on this server. Thanks for the hard work.

    • lenninscjay@lemmy.world
      1·
      2 years ago

      agreed. as others have stated. Transparency. But also, new software, new tech (in a way, the fediverse/activity pub), and hopefully a new beginning. Happy to be here. If not technically on the ground level (lemmy has been around for a short time before we knew reddit was going to implode), close to it!

    • infotainment@lemmy.worldEnglish
      5·
      2 years ago

      It seemed to work fine at first, but starting today I’m noticing a huge number of async failures; I’ve had to refresh the page in order to get almost anything (comments, posts, communities, list of communities, profiles, etc) to load.

    • guyman@lemmy.worldEnglish
      13·
      2 years ago

      Yep. So much lag, lots of ‘network error’ in Jerboa.

      Never change, free software </3

  • flamekhan@lemmy.world
    3·
    2 years ago

    Huge thanks to the lemmy.world team over the last couple of days to scale and maintain the instance! There’s a link for donating on the sidebar for lemmy.world - just a couple bucks a month can help us support this instance!

    • deweydecibel@lemmy.world
      2·
      2 years ago

      How so?

      Admin communicating information about the site to users like genuine human beings, instead of the corporate-sanitized pablum reddit admins speak in? Yeah that’s refreshing.

  • Stanford@discuss.as200950.comEnglish
    1·
    2 years ago

    For everyone experiences issues during the login,

    This is caused by an issue in the latest RC of the Lemmy UI. It’s already been reported, and ruud will probably decide how to deal with it tomorrow.

    The current workaround
    Make sure you are on the main page (https://lemmy.world) and not looking at any posts or something like that before hitting the login button.
    If you encounter other issues, please make sure to clear the browser cache. The latest upgrade also made changes to the API, which can cause issues with the cached version of the website.

    https://github.com/LemmyNet/lemmy-ui/issues/1740

  • xikufrancesc@lemmy.worldEspañol
    1·
    2 years ago

    How beautiful and cute the new lemmy world looks. thanks boss.

    Que bonito y lindo se ve el nuevo lemmy world. gracias jefe.

  • F3F3N@lemmy.world
    1·
    2 years ago

    A bit off topic, but does anyone else hate how when you click on a post and then go back, the page auto-resets to the top? Wish it would remember how far down you scrolled and return to that point.

  • Anaralah_Belore223@lemmy.world
    1·
    2 years ago

    The update is good. Just needs more troubleshooting

    Trying to edit this comment

    Editing took between 4 to 11 seconds. on https://lemmy.world/c/lemmyworld

    Meanwhile, on other communities… 0.5 to 1 seconds

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    5 months ago

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