Increase the number of files a node may have open at a time

multinode-demo/bootstrap-leader.sh

@@ -46,7 +46,7 @@ if [[ -d $SNAP ]]; then
   fi
 fi
 
-tune_networking
+tune_system
 
 trap 'kill "$pid" && wait "$pid"' INT TERM
 $program \

multinode-demo/common.sh

@@ -95,10 +95,13 @@ export RUST_BACKTRACE=1
 # shellcheck source=scripts/configure-metrics.sh
 source "$(dirname "${BASH_SOURCE[0]}")"/../scripts/configure-metrics.sh
 
-tune_networking() {
+tune_system() {
   # Skip in CI
   [[ -z $CI ]] || return 0
 
+  # shellcheck source=scripts/ulimit-n.sh
+  source "$(dirname "${BASH_SOURCE[0]}")"/../scripts/ulimit-n.sh
+
   # Reference: https://medium.com/@CameronSparr/increase-os-udp-buffers-to-improve-performance-51d167bb1360
   if [[ $(uname) = Linux ]]; then
     (

multinode-demo/fullnode.sh

@@ -167,7 +167,7 @@ rsync_url() { # adds the 'rsync://` prefix to URLs that need it
 
 rsync_leader_url=$(rsync_url "$leader")
 
-tune_networking
+tune_system
 
 set -ex
 $rsync -vPr "$rsync_leader_url"/config/ "$ledger_config_dir"