multi-server using store redis to sync session. when disconnected what will happen?

[letiennam29]

Hi everybody, I have a question.

I have 2 server socket.io and sync session by store redis.
So i have 1 client connect then 2 server will contain same session.

But when i disconnect, Are both servers delete session?

[nicoburghi]

They should delete the session, but they do not.
Check out this links:
#831
SpiderStrategies@caa96a5
https://github.com/observing/socket.io/commit/6d458d86697ddd8b10f68905fec02ca9feb3541c

I applied the changes proposed in these links to avoid memory issues caused by socket object references.

[radicans]

As you're using the RedisStore you might also be interested in reading this: https://medium.com/p/2c8ad1153332 before considering using it in production.

[letiennam29]

tks @nicoburghi , @radicans
I have do manual by:
When disconnect at a server. I using pub/sub redis for sync "socket.id" to other server. then call function "socket.disconnect()"

That's ok!