From c641ba10063020ff7dc9ebd92ebd1bdf41ab4b2c Mon Sep 17 00:00:00 2001 From: sakridge Date: Fri, 24 Aug 2018 18:17:48 -0700 Subject: [PATCH] Up network buffers to 64MB max (#1057) 500ms of data at 1Gbps = 125GB/2 = 64MB Seems to help tx rate in GCP network tests. --- multinode-demo/common.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/multinode-demo/common.sh b/multinode-demo/common.sh index 962ea27f3..4ec72686f 100644 --- a/multinode-demo/common.sh +++ b/multinode-demo/common.sh @@ -154,7 +154,7 @@ tune_networking() { # test the existence of the sysctls before trying to set them # go ahead and return true and don't exit if these calls fail sysctl net.core.rmem_max 2>/dev/null 1>/dev/null && - sudo sysctl -w net.core.rmem_max=26214400 1>/dev/null 2>/dev/null + sudo sysctl -w net.core.rmem_max=67108864 1>/dev/null 2>/dev/null sysctl net.core.rmem_default 2>/dev/null 1>/dev/null && sudo sysctl -w net.core.rmem_default=26214400 1>/dev/null 2>/dev/null