Bump UDP receive buffer

mxinden · Apr 13, 2023 · 2433338 · 2433338
1 parent 7ab94c8
commit 2433338
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/perf/terraform/user-data.sh b/perf/terraform/user-data.sh
@@ -1,5 +1,8 @@
 #!/bin/bash
 
+# Bump UDP receive buffer size. See https://github.com/quic-go/quic-go/wiki/UDP-Receive-Buffer-Size.
+sudo sysctl -w net.core.rmem_max=2500000
+
 sudo yum update -y
 sudo yum install docker -y
 sudo systemctl enable docker