BREAKING server: disable deliver rate limit by default

The deliver rate limit seems to cause a lot of performance problems,
presumably because of the overhead the rate limit has. It also does
not really make sense to rate limit outgoing because we are requesting
from different servers anyway.

fixes #190

Changelog: Changed

.config/example.yml

@@ -100,7 +100,7 @@ redis:
 # Use -1 to disable.
 # A rate limit for deliver jobs is not recommended as it comes with
 # a big performance penalty due to overhead of rate limiting.
-#deliverJobPerSec: 128
+#deliverJobPerSec: -1
 #inboxJobPerSec: 16
 
 # Number of times each job will be tried.

packages/backend/src/config/load.ts

@@ -54,7 +54,7 @@ export default function load(): Config {
 		disableHsts: false,
 		deliverJobConcurrency: 128,
 		inboxJobConcurrency: 16,
-		deliverJobPerSec: 128,
+		deliverJobPerSec: -1,
 		inboxJobPerSec: 16,
 		deliverJobMaxAttempts: 12,
 		inboxJobMaxAttempts: 8,