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I"m not saying this is what happened this time, but I would suspect we'll see a lot more outages of encrypted centralized chat like this as nation states try to prevent general society from moving away from the social media websites almost solely designed for mass surveillance.


https://www.nytimes.com/2021/01/13/technology/telegram-signa...

> The result was a mass migration that, if it lasts, could weaken the power of Facebook and other big tech companies. On Tuesday, Telegram said it added more than 25 million users over the previous three days, pushing it to over 500 million users. Signal added nearly 1.3 million users on Monday alone, after averaging just 50,000 downloads a day last year, according to estimates from Apptopia, an app-data firm.

> “We’ve had surges of downloads before,” said Pavel Durov, Telegram’s chief executive, in a message on the app on Tuesday. “But this time is different.”

As someone who semi-fondly remembers the Twitter failwhale, I really don't think a more conspiratorial theory than "a few million people suddenly tried to jump on" is required here.


Agreed, there is a simple & likely explanation for this outage, being a huge increase in user base worldwide.


Hey, who let the Signal devs write their backend in Ruby on Rails? :-p


Where can I read about the signal server-side architecture? Is it open-source as well?


The server is open source https://github.com/signalapp/Signal-Server

Java/DropWizard app


This cannot be what they are running in production though right?

And this is also not open source for my understanding: * Last commit was on 2020-04-22 * only a single committer (moxie-signal) * only „bump version to xyz“ commits * not a single PR is getting merged but all are just closed (one references „pr was created on wrong repository“) * not a single code comment in what I saw so far * there are also references to AWS and GCP but I could not find any reference to Microsoft/Azure (where their current IP is pointed to)

Is there some other place where the „real“ open source process is happening? Maybe some sources how their production architecture looks like?

Edit: here is a lot explanation for this https://www.reddit.com/r/signal/comments/kxusy8/signal_needs...


the issue could be network or database related




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