Partner node setup tweaks (#5715)

automerge

net/datacenter-node-install/setup-procfs-knobs.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+HERE="$(dirname "$0")"
+
+# shellcheck source=net/datacenter-node-install/utils.sh
+source "$HERE"/utils.sh
+
+ensure_env || exit 1
+
+# Setup kernel constants
+cat > /etc/sysctl.d/20-solana-node.conf <<EOF
+
+# Solana networking requirements
+net.core.rmem_default=1610612736
+net.core.rmem_max=1610612736
+net.core.wmem_default=1610612736
+net.core.wmem_max=1610612736
+
+# Solana earlyoom setup
+kernel.sysrq=$(( $(cat /proc/sys/kernel/sysrq) | 64 ))
+EOF
+