perf: switch to sharded adapter & dynamic subscription mode

Author: MartinKolarik

Diff for: .github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
 
     services:
       redis:
-        image: redislabs/rejson:latest
+        image: redis/redis-stack-server:latest
         ports:
           - 6379:6379
         options: >-

Diff for: package-lock.json

@@ -9,7 +9,7 @@
 		"@koa/router": "^12.0.1",
 		"@maxmind/geoip2-node": "^4.2.0",
 		"@redocly/openapi-core": "^1.6.0",
-		"@socket.io/redis-adapter": "^8.2.1",
+		"@socket.io/redis-adapter": "github:MartinKolarik/socket.io-redis-adapter#dist",
 		"adm-zip": "^0.5.10",
 		"any-ascii": "^0.3.2",
 		"bluebird": "^3.7.2",

Diff for: package.json

@@ -1,5 +1,5 @@
 import { type RemoteSocket, Server, Socket } from 'socket.io';
-import { createAdapter } from '@socket.io/redis-adapter';
+import { createShardedAdapter } from '@socket.io/redis-adapter';
 // eslint-disable-next-line n/no-missing-import
 import type { DefaultEventsMap } from 'socket.io/dist/typed-events.js';
 import type { Probe } from '../../probe/types.js';
@@ -32,8 +32,8 @@ export const initWsServer = async () => {
 		pingTimeout: 3000,
 	});
 
-	io.adapter(createAdapter(pubClient, subClient, {
-		publishOnSpecificResponseChannel: true,
+	io.adapter(createShardedAdapter(pubClient, subClient, {
+		subscriptionMode: 'dynamic',
 	}));
 };