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Factor tune_system() out of multinode-demo/ (#4138)

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* Remove x bit from ulimit-n.sh

* Factor tune_system() out of multinode-demo/
This commit is contained in:
Michael Vines
2019-05-03 10:40:02 -07:00
committed by GitHub
parent 5b2a82a951
commit c8ed41167a
6 changed files with 52 additions and 44 deletions
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39
multinode-demo/common.sh
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@ -67,45 +67,6 @@ export RUST_BACKTRACE=1
# shellcheck source=scripts/configure-metrics.sh
source "$SOLANA_ROOT"/scripts/configure-metrics.sh
tune_system() {
# Skip in CI
[[ -z $CI ]] || return 0
# shellcheck source=scripts/ulimit-n.sh
source "$SOLANA_ROOT"/scripts/ulimit-n.sh
# Reference: https://medium.com/@CameronSparr/increase-os-udp-buffers-to-improve-performance-51d167bb1360
if [[ $(uname) = Linux ]]; then
(
set -x +e
# 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=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=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=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=161061273 1>/dev/null 2>/dev/null
) || true
fi
if [[ $(uname) = Darwin ]]; then
(
if [[ $(sysctl net.inet.udp.maxdgram | cut -d\ -f2) != 65535 ]]; then
echo "Adjusting maxdgram to allow for large UDP packets, see BLOB_SIZE in src/packet.rs:"
set -x
sudo sysctl net.inet.udp.maxdgram=65535
fi
)
fi
}
fullnode_usage() {
if [[ -n $1 ]]; then
echo "$*"