diff --git a/docker-compose-rpc.yml b/docker-compose-rpc.yml
index cb3ed2cb..ec4dfb3e 100644
--- a/docker-compose-rpc.yml
+++ b/docker-compose-rpc.yml
@@ -111,6 +111,18 @@ services:
 
   harmony-mainnet:
     build: ./harmony/build
+    sysctls:
+      net.core.somaxconn: 1024
+      net.core.netdev_max_backlog: 65536
+      net.ipv4.tcp_tw_reuse: 1
+      net.ipv4.tcp_rmem: 4096 65536 16777216
+      net.ipv4.tcp_wmem: 4096 65536 16777216
+      net.ipv4.tcp_mem: 65536 131072 262144
+    ulimits:
+      nproc: 65535
+      nofile:
+        soft: 65535
+        hard: 65535
     expose:
       - "9500"
       - "9000"