diff --git a/.config/example.yml b/.config/example.yml
index 51d380e7e..ba74df8a5 100644
--- a/.config/example.yml
+++ b/.config/example.yml
@@ -67,6 +67,20 @@ redis:
   #db: 1
   #user: default
 
+#   ┌─────────────────────────────┐
+#───┘ Cache server configuration └─────────────────────────────────────
+
+# A Redis-compatible server (DragonflyDB, Keydb, Redis) for caching
+# If left blank, it will use the Redis server from above
+
+#cacheServer:
+  #host: localhost
+  #port: 6379
+  #family: 0  # 0=Both, 4=IPv4, 6=IPv6
+  #pass: example-pass
+  #prefix: example-prefix
+  #db: 1
+
 # Please configure either MeiliSearch *or* Sonic.
 # If both MeiliSearch and Sonic configurations are present, MeiliSearch will take precedence.
 
diff --git a/README.md b/README.md
index f66d14a32..9701bc86e 100644
--- a/README.md
+++ b/README.md
@@ -104,7 +104,10 @@ If you have access to a server that supports one of the sources below, I recomme
   - 🦔 [Sonic](https://crates.io/crates/sonic-server)
   - [MeiliSearch](https://www.meilisearch.com/)
   - [ElasticSearch](https://www.elastic.co/elasticsearch/)
-
+- Caching server
+  - 🐲 At least [DragonflyDB](https://www.dragonflydb.io/) v1.4.0 (recommended)
+  - 🍱 Another [Redis](https://redis.io/) server, at least v6
+  - 👻 [KeyDB](https://keydb.dev/) (untested)
 ### 🏗️ Build dependencies
 
 - 🦀 At least [Rust](https://www.rust-lang.org/) v1.68.0
@@ -161,6 +164,12 @@ psql postgres -c "create database calckey with encoding = 'UTF8';"
 
 In Calckey's directory, fill out the `db` section of `.config/default.yml` with the correct information, where the `db` key is `calckey`.
 
+## 💰 Caching server
+
+If you experience a lot of traffic, it's a good idea to set up another Redis-compatible caching server. If you don't set one one up, it'll fall back to the mandatory Redis server.
+
+For DragonflyDB, launch with the flag `--default_lua_flags='allow-undeclared-keys'`.
+
 ## 🔎 Set up search
 
 ### 🦔 Sonic
diff --git a/packages/backend/package.json b/packages/backend/package.json
index 060064489..ec6451f61 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -28,13 +28,11 @@
 		"@bull-board/api": "5.2.0",
 		"@bull-board/koa": "5.2.0",
 		"@bull-board/ui": "5.2.0",
-		"megalodon": "workspace:*",
 		"@discordapp/twemoji": "14.1.2",
 		"@elastic/elasticsearch": "7.17.0",
 		"@koa/cors": "3.4.3",
 		"@koa/multer": "3.0.2",
 		"@koa/router": "9.0.1",
-		"@msgpack/msgpack": "3.0.0-beta2",
 		"@peertube/http-signature": "1.7.0",
 		"@redocly/openapi-core": "1.0.0-beta.120",
 		"@sinonjs/fake-timers": "9.1.2",
@@ -87,9 +85,11 @@
 		"koa-send": "5.0.1",
 		"koa-slow": "2.1.0",
 		"koa-views": "7.0.2",
+		"megalodon": "workspace:*",
 		"meilisearch": "0.33.0",
 		"mfm-js": "0.23.3",
 		"mime-types": "2.1.35",
+		"msgpackr": "1.9.5",
 		"multer": "1.4.4-lts.1",
 		"native-utils": "link:native-utils",
 		"nested-property": "4.0.0",
diff --git a/packages/backend/src/config/load.ts b/packages/backend/src/config/load.ts
index 9b8ee5edb..fa9878955 100644
--- a/packages/backend/src/config/load.ts
+++ b/packages/backend/src/config/load.ts
@@ -55,6 +55,8 @@ export default function load() {
 	mixin.clientEntry = clientManifest["src/init.ts"];
 
 	if (!config.redis.prefix) config.redis.prefix = mixin.host;
+	if (config.cacheServer && !config.cacheServer.prefix)
+		config.cacheServer.prefix = mixin.host;
 
 	return Object.assign(config, mixin);
 }
diff --git a/packages/backend/src/config/types.ts b/packages/backend/src/config/types.ts
index 84808413c..7789c26e0 100644
--- a/packages/backend/src/config/types.ts
+++ b/packages/backend/src/config/types.ts
@@ -26,6 +26,16 @@ export type Source = {
 		user?: string;
 		tls?: { [y: string]: string };
 	};
+	cacheServer?: {
+		host: string;
+		port: number;
+		family?: number;
+		pass?: string;
+		db?: number;
+		prefix?: string;
+		user?: string;
+		tls?: { [z: string]: string };
+	};
 	elasticsearch: {
 		host: string;
 		port: number;
diff --git a/packages/backend/src/db/redis.ts b/packages/backend/src/db/redis.ts
index a1f3279f3..215effd8e 100644
--- a/packages/backend/src/db/redis.ts
+++ b/packages/backend/src/db/redis.ts
@@ -2,15 +2,19 @@ import Redis from "ioredis";
 import config from "@/config/index.js";
 
 export function createConnection() {
+	let source = config.redis;
+	if (config.cacheServer) {
+		source = config.cacheServer;
+	}
 	return new Redis({
-		port: config.redis.port,
-		host: config.redis.host,
-		family: config.redis.family ?? 0,
-		password: config.redis.pass,
-		username: config.redis.user ?? "default",
-		keyPrefix: `${config.redis.prefix}:`,
-		db: config.redis.db || 0,
-		tls: config.redis.tls,
+		port: source.port,
+		host: source.host,
+		family: source.family ?? 0,
+		password: source.pass,
+		username: source.user ?? "default",
+		keyPrefix: `${source.prefix}:`,
+		db: source.db || 0,
+		tls: source.tls,
 	});
 }
 
diff --git a/packages/backend/src/misc/cache.ts b/packages/backend/src/misc/cache.ts
index fe68908e5..913258f05 100644
--- a/packages/backend/src/misc/cache.ts
+++ b/packages/backend/src/misc/cache.ts
@@ -1,5 +1,5 @@
 import { redisClient } from "@/db/redis.js";
-import { encode, decode } from "@msgpack/msgpack";
+import { encode, decode } from "msgpackr";
 import { ChainableCommander } from "ioredis";
 
 export class Cache<T> {
diff --git a/packages/backend/src/services/relay.ts b/packages/backend/src/services/relay.ts
index 6f7829c21..e969d783a 100644
--- a/packages/backend/src/services/relay.ts
+++ b/packages/backend/src/services/relay.ts
@@ -15,7 +15,7 @@ import { createSystemUser } from "./create-system-user.js";
 
 const ACTOR_USERNAME = "relay.actor" as const;
 
-const relaysCache = new Cache<Relay[]>("relay", 60 * 10);
+const relaysCache = new Cache<Relay[]>("relay", 60 * 60);
 
 export async function getRelayActor(): Promise<ILocalUser> {
 	const user = await Users.findOneBy({
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c5e7f1fad..b18c93854 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -105,9 +105,6 @@ importers:
       '@koa/router':
         specifier: 9.0.1
         version: 9.0.1
-      '@msgpack/msgpack':
-        specifier: 3.0.0-beta2
-        version: 3.0.0-beta2
       '@peertube/http-signature':
         specifier: 1.7.0
         version: 1.7.0
@@ -276,6 +273,9 @@ importers:
       mime-types:
         specifier: 2.1.35
         version: 2.1.35
+      msgpackr:
+        specifier: 1.9.5
+        version: 1.9.5
       multer:
         specifier: 1.4.4-lts.1
         version: 1.4.4-lts.1
@@ -2597,11 +2597,6 @@ packages:
       os-filter-obj: 2.0.0
     dev: true
 
-  /@msgpack/msgpack@3.0.0-beta2:
-    resolution: {integrity: sha512-y+l1PNV0XDyY8sM3YtuMLK5vE3/hkfId+Do8pLo/OPxfxuFAUwcGz3oiiUuV46/aBpwTzZ+mRWVMtlSKbradhw==}
-    engines: {node: '>= 14'}
-    dev: false
-
   /@msgpackr-extract/msgpackr-extract-darwin-arm64@3.0.2:
     resolution: {integrity: sha512-9bfjwDxIDWmmOKusUcqdS4Rw+SETlp9Dy39Xui9BEGEk19dDwH0jhipwFzEff/pFg95NKymc6TOTbRKcWeRqyQ==}
     cpu: [arm64]