Comments (5)
I second this. I do not care if socket count is not always 1 to 1 with user count. I need a way to count sockets without pulling all data over the wire.
from socket.io-redis-adapter.
Hi! Yes, as you have noted the fetchSockets()
method transfers a lot of data.
You should use the serverSideEmit()
method instead:
io.serverSideEmit("hello", "world");
// And on the receiving side:
io.on("hello", (arg1) => {
console.log(arg1); // prints "world"
});
Reference: https://socket.io/docs/v4/server-instance/#serversideemit
from socket.io-redis-adapter.
Yeah. I have used that for now.
@darrachequesne What do you think about adding the "count" as a separate function? You don't think it would be usable?
I have also an example of a patch with a new function.
from socket.io-redis-adapter.
What do you think about adding the "count" as a separate function?
I'm not sure that's a good idea, because in most cases I think one wants to count the number of users, not the number of sockets (since a single user can have multiple connections). What do you think?
from socket.io-redis-adapter.
@darrachequesne - Sometimes I actually more interested in the sockets as opposed to the users as @cody-evaluate mentioned.
An example (my case) for that is for horizontal scaling purposes
from socket.io-redis-adapter.
Related Issues (20)
- Make subscription client optional HOT 1
- Proper way to use this adapter with ioredis HOT 2
- Feature request: limit nodes hit by "serverSideEmit" and "fetchSockets" in sharded adapter
- Error on websocket multi instance using redis-adapter HOT 1
- This.io.sockets.adapter.pubClient.isReady becomes false and is never ready again HOT 2
- Error: 23984 trailing bytes HOT 5
- dynamic subscription mode breaks remote socket.emit() HOT 3
- [email protected]: timeout reached while waiting for fetchSockets response
- MaxListenersExceededWarning due to SSUBSCRIBE/SUNSUBSCRIBE memory leak HOT 2
- the below error occurs when the user disconnect from the socket HOT 1
- the below error occurs when the user disconnect from the socket HOT 1
- Socket.io adapter HOT 1
- TypeError with @socket.io/redis-adapter on Node.js v18.15.0 HOT 5
- Lot of "ignoring unknown request" in Debug HOT 5
- Unnecessary psubscribe Operations in Namespaces Without Local Clients Increasing Redis Pub/Sub Channels HOT 2
- Unnecessary on("error") handlers
- Class extends value undefined is not a constructor or null HOT 3
- Cannot install package with 'npm install @socket.io/redis-adapter' HOT 1
- fetchSockets doesn't work HOT 1
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