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Why have we started blocking lemmy.world? (NO LONGER BLOCKED) (files.catbox.moe)
submitted 1 year ago* (last edited 1 year ago) by chaorace to c/sdfpubnix
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UPDATE: @SDF@lemmy.sdf.org has responded

It is temporary as lemmy.world was cascading duplicates at us and the only way to keep the site up reliably was to temporarily drop them. We’re in the process of adding more hardware to increase RAM, CPU cores and disk space. Once that new hardware is in place we can try turning on the firehose. Until then, please patient.

ORIGINAL POST:

Starting sometime yesterday afternoon it looks like our instance started blocking lemmy.world: https://lemmy.sdf.org/instances

A screenshot of the page at https://lemmy.sdf.org/instances showing the lemmy.world instance on the blocklist

This is kind of a big deal, because 1/3rd of all active users originate there! A pie chart depicting the top instances by usershare. The lemmy.world instance is in the top spot with 1/3 of the total usershare

Was this decision intentional? If so, could we get some clarification about it? @SDF@lemmy.sdf.org

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[-] SDF 49 points 1 year ago

It is temporary as lemmy.world was cascading duplicates at us and the only way to keep the site up reliably was to temporarily drop them. We're in the process of adding more hardware to increase RAM, CPU cores and disk space. Once that new hardware is in place we can try turning on the firehose. Until then, please patient.

[-] chaorace 17 points 1 year ago

Thanks for the prompt response! I shall have patience 😁. Post & Title have been edited to reflect your update.

As usual, many thanks for your continued maintenance efforts & personal labor.

[-] sidhant 13 points 1 year ago

Thank you, appreciate all the hard work that goes into keeping this instance alive.

[-] chaorace 8 points 1 year ago

Heads up: a new backend issue has been opened to track performance degradation: lemmy#3466. Looks like there's also a private matrix channel that sprouted up for performance tuning & troubleshooting that you might potentially be interested in joining: info.

[-] 70ms 6 points 1 year ago

Thanks for the update (and giving me a new home!).

[-] ken_cleanairsystems 4 points 1 year ago

Thank you!

[-] Elindio 2 points 1 year ago

Can you update this thread when it's over?

[-] SDF 37 points 1 year ago

live updates in progress. Moved to SSDs, added more cores and 128GB and 64GB ram.

[-] 6jarjar6 12 points 1 year ago

Lovely 😍

[-] SDF 31 points 1 year ago

Here is where we're at now.

  • increased cores and memory, hopefully we never touch swap again
  • dedicated server for pict-rs with its own RAID
  • dedicated server for lemmy, postgresql with its own RAID
  • lemmy-ui and nginx run on both to handle ui requests

Thank you for everyone who stuck around and helped out, it is appreciated. We're working on additional suggested tweaks from the Lemmy community and hope to let lemmy.world try to DoS us again soon. Hopefully we'll do much better this time.

[-] chaorace 13 points 1 year ago* (last edited 1 year ago)

Killer stuff! Sorry for my contributing undue pressure on top of what was probably already a taxing procedure happening in the server room.

Out of curiousity: how do you feel about Lemmy performance so far? I'm actually a little bit surprised that we already managed to outstrip the prior configuration. I suppose that inter-instance ActivityPub traffic just punches really hard regardless of intra-instance activity?

[-] estee 8 points 1 year ago

What can we (ordinary users) do to help? I'm in Europe, would it be better if I used the SDFeu server as my home instance?

[-] SDF 12 points 1 year ago

Yes, the fediverse wants to be decentralized, so it is encouraged to use what works best for you. lemmy.sdfeu.org is located in Düsseldorf, Germany.

[-] thomask 4 points 1 year ago

This station is now the ultimate power in the fediverse! I suggest we use it.

[-] SDF 21 points 1 year ago

Two things that would be great:

  • Have a tanoy/horn announce icon at the top like with Mastodon where status information can be posted.
  • Change the heart icon to link to a method that supports the local instance

Attempts were made to create a thread for the almost daily upgrades we're going through with BE and UI changes, but even with pinning it doesn't have the visibility.

We're on site in about 1 hour to install a new RAID and once that is completed we'll finish the transfer of pict-rs data.

[-] entropicdrift 12 points 1 year ago* (last edited 1 year ago)

You're all doing an amazing job!

I became an ARPA member this past week and am happy to donate again to chip in for this hardware upgrade.

Edit: donated at the $48 yearly level.

[-] robotrono 6 points 1 year ago

Just donated to do my part to help keep the lights on. Thanks y'all for doing a great job, I am glad I found SDF.

[-] Elindio 15 points 1 year ago

If you're wondering how to donate, like I was-

https://sdf.org/?faq?MEMBERS?01

[-] entropicdrift 11 points 1 year ago

Or if you want a button to donate: https://sdf.org/support/

[-] delial 7 points 1 year ago

Donated! SDF is what the future of the internet should look like! I love you peeps so much! ♥

[-] 70ms 7 points 1 year ago* (last edited 1 year ago)

And yet it was the 90's aesthetic of the website that instantly made me sign up. 🤪 It made me so nostalgic.

Edit: Will also be donating ASAP!

[-] wesker 4 points 1 year ago

Done.

[-] Milamber 5 points 1 year ago

Replying to this so I can follow up...

[-] user224 3 points 1 year ago

Ping: response from SDF added.

[-] ken_cleanairsystems 2 points 1 year ago

Ditto.

[-] user224 1 points 1 year ago

Ping: response from SDF added.

[-] Elindio 0 points 1 year ago

Double ditto

[-] user224 1 points 1 year ago

Ping: response from SDF added.

[-] sidhant -3 points 1 year ago

If this is true I will be making another account and moving to a different server. The only reason I joined this one was that it doesn't seem to block/defed.

[-] SDF 19 points 1 year ago

You're absolutely welcome to do that as it is your decision and you have many choices. We hope to build a community of folks that would like to help the fediverse grow and support smaller instances. Similar growing pains were seen during the twitter exodous last September.

[-] chaorace 12 points 1 year ago

As someone working on integrations I'd also have to leave if we're permanently blocking the largest instance, but I'd like to give SDF the benefit of the doubt here. Maybe this was just a temporary measure to deal with the insane load from yesterday?

[-] SDF 12 points 1 year ago

You are absolutely welcome to do that.

[-] chaorace 0 points 1 year ago

I'd really rather not leave, though! I like it here -- but being forced to choose does put me in a bind when it comes to being able to build the things that I want to build. Lucky for me then that today won't be the day where such a decision is thrust upon me.

[-] user224 2 points 1 year ago* (last edited 1 year ago)

For me lemmy still doesn't work. At least not without U.S. VPN. Otherwise I get error: 502 Bad Gateway

Maybe it's just not fully up yet.

[-] chaorace 4 points 1 year ago

I don't know if geoblocking is a thing, but just FYI: there are additional Lemmy SDF instances for EU & JP regions which may work better depending on where you're based.

[-] user224 3 points 1 year ago

Ah, seems like blacklisted IP. Since I am behind CG-NAT the public IP is simultaneously shared between many users. I tried disconnecting and reconnecting to the network which changed my public IP, and it works now.

We really need the IPv6.

[-] webb 2 points 1 year ago

I noticed that with Mullvad it's also doing that, I think it might be an anti-spam system?

this post was submitted on 03 Jul 2023
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