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Lichess: Post-Mortem of Our Longest Downtime

lichess.org

11–20 of 55 posts

Re: Lichess: Post-Mortem of Our Longest Downtime

#11
post #10

This response and post-mortem is superior to most commercial services I have seen in recent years.

Exact same thought went through my head. Also note in the first few paragraphs they acknowledge the worst impacts to users. That's very selfless - often corporate postmortems downplay the impact, which frustrates users more. Incidentally, a critical service I use (Postmark) had an outage this week and I didn't even hear from them (I found out via a random twitter post). Shows the difference.

Re: Lichess: Post-Mortem of Our Longest Downtime

#13
post #10

This response and post-mortem is superior to most commercial services I have seen in recent years.

That's basically every aspect of their service. The founder Thibault Duplessis is criminally undercompensated (his choice) for running a site that is better designed, faster, and more popular than 99% of commercial websites out there.

Re: Lichess: Post-Mortem of Our Longest Downtime

#14
post #11
post #10

This response and post-mortem is superior to most commercial services I have seen in recent years.

Exact same thought went through my head. Also note in the first few paragraphs they acknowledge the worst impacts to users. That's very selfless - often corporate postmortems downplay the impact, which frustrates users more. Incidentally, a critical service I use (Postmark) had an outage this week and I didn't even hear from them (I found out via a random twitter post). Shows the difference.

Presumably because Lichess is free thus doesn't have contractual obligations and SLAs that they'll be sued for breaching.

Re: Lichess: Post-Mortem of Our Longest Downtime

#16
post #10

This response and post-mortem is superior to most commercial services I have seen in recent years.

> so you, as our beneficiaries and stakeholders, who support us and encourage us — deserve to get clarification on what happened

Is it that complicated for big tech to reply politely with the above statement when they suddenly disable your account for no obvious reason!

Re: Lichess: Post-Mortem of Our Longest Downtime

#17
post #16
post #10

This response and post-mortem is superior to most commercial services I have seen in recent years.

> so you, as our beneficiaries and stakeholders, who support us and encourage us — deserve to get clarification on what happened Is it that complicated for big tech to reply politely with the above statement when they suddenly disable your account for no obvious reason!

It may not be complicated, but it does require caring about what you do and your customers as opposed to going through basic minimum requirements to appear that you are doing something.

It is much more difficult for corporate cogs to have that level of care compared to someone who does their things with passion.

Re: Lichess: Post-Mortem of Our Longest Downtime

#18
post #7

Earlier quoted context omitted.

lichess is hardly a "cheap project" though :P It's one of the most popular chess platforms

Sure, but they seem to be extremely budget constrained. ;)

no surprise there tbh

Here is a comparison of free and their premium accounts:

https://lichess.org/features

Re: Lichess: Post-Mortem of Our Longest Downtime

#19

The main lichess engine (lila, open source) is a single monolith program that's deployed on a single server. It serves ~5 million games per day. But there are a several other pieces too. They discuss the architecture here https://www.youtube.com/watch?v=crKNBSpO2_I BTW consider donating if you use lichess.

Wow. ~US$40k/mo running costs, with about US$5k/mo for server hosting: https://lichess.org/costs It looks like the servers are individually managed via OVH or similar, rather than running their own gear in co-location or similar. Wonder why?

its also crazy how much cheaper it is than AWS. the primary DB is around $500/month with 32 CPU and 256 GB of RAM and 7TB. AWS RDS db.m6gd.8xlarge which is 32 CPU and 128 GB of RAM costs $2150/month before paying for storage as well.

Re: Lichess: Post-Mortem of Our Longest Downtime

#20

Earlier quoted context omitted.

Sure, but they seem to be extremely budget constrained. ;)

no surprise there tbh Here is a comparison of free and their premium accounts: https://lichess.org/features

Looks like they're fulfilling their mission?
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