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Comment by lewisflude | Hacker News Reader

I think you'd really like Matrix. https://matrix.org/blog/home/

Riot is a decentralised team messenger built on top of Matrix. https://riot.im/app/#/home

Both Synapse and Riot have been working well for me. I’ve been running my own homeserver for a while now. I use it daily to communicate with a few of my friends. We all use Riot. They use it on Android, I use it on iOS.

Riot is well polished - polished enough that I was able to get my non-techie friends to start using it without any issue.

One caveat to Matrix is that I wouldn't recommend making an account on matrix.org. In my experience, their homeserver is so massively overloaded that it's almost unusable.

There are other providers, though, and hosting your own instance isn't too difficult.

Running your own Synapse (backend) and Riot web (frontend) within Docker containers is pretty easy and reliable.

How is Synapse faring so far on memory consumption? Their README [0] still warns about it in its last section.

[0] https://github.com/matrix-org/synapse#help-synapse-eats-all-...

I can’t give you an actual answer, but what I can say is that my server had an uptime of 180+ days without any apparent memory leaks. I only have a few users though, but we do use it heavily.

It is... not great, in my experience. My newly-rebuilt Synapse instance currently has a resident size of 571 MB, for one user in two channels. I doubt that it scales linearly with users, though, and there may be settings to get memory usage down.

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