From 1cd354cf1599b43f127f4bbb7df5c756876ced20 Mon Sep 17 00:00:00 2001
From: Pankaj Garg <pankaj@solana.com>
Date: Tue, 30 Oct 2018 10:48:56 -0700
Subject: [PATCH] Added a new remote node configuration script to set rmem/wmem
 (#1647) (#1648)

* Added a new remote node configuration script to set rmem/wmem

* Update common.sh for rmem/wmem configuration
---
 multinode-demo/common.sh      |  8 ++++----
 net/gce.sh                    |  1 +
 net/remote/remote-node.sh     |  3 ---
 net/scripts/network-config.sh | 11 +++++++++++
 4 files changed, 16 insertions(+), 7 deletions(-)
 create mode 100755 net/scripts/network-config.sh

diff --git a/multinode-demo/common.sh b/multinode-demo/common.sh
index 7f7e5be92f..9d45e3c8c4 100644
--- a/multinode-demo/common.sh
+++ b/multinode-demo/common.sh
@@ -104,16 +104,16 @@ 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=67108864 1>/dev/null 2>/dev/null
+          sudo sysctl -w net.core.rmem_max=1610612736 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
+          sudo sysctl -w net.core.rmem_default=1610612736 1>/dev/null 2>/dev/null
 
       sysctl net.core.wmem_max 2>/dev/null 1>/dev/null &&
-          sudo sysctl -w net.core.wmem_max=67108864 1>/dev/null 2>/dev/null
+          sudo sysctl -w net.core.wmem_max=1610612736 1>/dev/null 2>/dev/null
 
       sysctl net.core.wmem_default 2>/dev/null 1>/dev/null &&
-          sudo sysctl -w net.core.wmem_default=26214400 1>/dev/null 2>/dev/null
+          sudo sysctl -w net.core.wmem_default=1610612736 1>/dev/null 2>/dev/null
     ) || true
   fi
 
diff --git a/net/gce.sh b/net/gce.sh
index 5532c90c8f..4c440b1474 100755
--- a/net/gce.sh
+++ b/net/gce.sh
@@ -376,6 +376,7 @@ $(
     install-earlyoom.sh \
     install-libssl-compatability.sh \
     install-rsync.sh \
+    network-config.sh \
 )
 
 cat > /etc/motd <<EOM
diff --git a/net/remote/remote-node.sh b/net/remote/remote-node.sh
index c694516796..d991e99127 100755
--- a/net/remote/remote-node.sh
+++ b/net/remote/remote-node.sh
@@ -35,9 +35,6 @@ else
   setupArgs="-l"
 fi
 
-sudo sysctl -w net.core.rmem_default=1610612736
-sudo sysctl -w net.core.wmem_default=1610612736
-
 case $deployMethod in
 snap)
   SECONDS=0
diff --git a/net/scripts/network-config.sh b/net/scripts/network-config.sh
new file mode 100755
index 0000000000..4db93dc93e
--- /dev/null
+++ b/net/scripts/network-config.sh
@@ -0,0 +1,11 @@
+#!/bin/bash -ex
+#
+
+[[ $(uname) = Linux ]] || exit 1
+[[ $USER = root ]] || exit 1
+
+sudo sysctl -w net.core.rmem_default=1610612736
+sudo sysctl -w net.core.rmem_max=1610612736
+
+sudo sysctl -w net.core.wmem_default=1610612736
+sudo sysctl -w net.core.wmem_max=1610612736