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centrifugal / centrifuge-dart

Dart (Flutter) client SDK for bidirectional communication with Centrifugo and Centrifuge-based server over WebSocket
https://pub.dartlang.org/packages/centrifuge
MIT License
113 stars 34 forks source link

bugs user connection is very short time ?? #89

Closed rawezhcode closed 2 months ago

rawezhcode commented 2 months ago

I have a big problem, I don't know if the cause is in the server or this package. My problem is when more than 2000 users join a subscription to one channel, In a very short time, it throws out most users within seconds. From 2000 users to 800~ users and less ?

FZambia commented 2 months ago

Hello @rawezhcode

This may be due to server OS limits - https://centrifugal.dev/docs/server/infra_tuning

Or maybe you are using join/leave messages which result into massive load in channels with many subscribers - https://centrifugal.dev/docs/4/faq#how-scalable-is-the-online-presence-and-joinleave-features so that your system can become overloaded.

Overall, there could be other reasons also, but it's impossible to help given the information you provided. Check out server logs, disconnect reasons, metrics. Make a reproducing scenario.

Also, I believe it's not related to centrifuge-dart - from client SDK perspective it's just a single connection which can't somehow affect other connections in such a way.

FZambia commented 2 months ago

Closing, do not see nothing actionable here from centrifuge-dart perspective.