From 20a2c59b70174996b2c00813d9c82287eb8417e4 Mon Sep 17 00:00:00 2001 From: Stephen Akridge Date: Mon, 8 Apr 2019 21:35:51 +0000 Subject: [PATCH] Reduce udp read/write buffer sizes With 18.04, these large values cause packet errors and mess up the system. --- multinode-demo/common.sh | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/multinode-demo/common.sh b/multinode-demo/common.sh index f14c29f56d..bd16e1f0f2 100644 --- a/multinode-demo/common.sh +++ b/multinode-demo/common.sh @@ -88,16 +88,16 @@ tune_system() { # 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=1610612736 1>/dev/null 2>/dev/null + sudo sysctl -w net.core.rmem_max=161061273 1>/dev/null 2>/dev/null sysctl net.core.rmem_default 2>/dev/null 1>/dev/null && - sudo sysctl -w net.core.rmem_default=1610612736 1>/dev/null 2>/dev/null + sudo sysctl -w net.core.rmem_default=161061273 1>/dev/null 2>/dev/null sysctl net.core.wmem_max 2>/dev/null 1>/dev/null && - sudo sysctl -w net.core.wmem_max=1610612736 1>/dev/null 2>/dev/null + sudo sysctl -w net.core.wmem_max=161061273 1>/dev/null 2>/dev/null sysctl net.core.wmem_default 2>/dev/null 1>/dev/null && - sudo sysctl -w net.core.wmem_default=1610612736 1>/dev/null 2>/dev/null + sudo sysctl -w net.core.wmem_default=161061273 1>/dev/null 2>/dev/null ) || true fi