Adjust |ulimit -n| automatically, no bash required (#5586)
This commit is contained in:
parent
f18aa4e423
commit
d651cb7a25
|
@ -431,6 +431,45 @@ fn get_bank_forks(
|
|||
(bank_forks, bank_forks_info, leader_schedule_cache)
|
||||
}
|
||||
|
||||
#[cfg(not(unix))]
|
||||
fn adjust_ulimit_nofile() {}
|
||||
|
||||
#[cfg(unix)]
|
||||
fn adjust_ulimit_nofile() {
|
||||
// Rocks DB likes to have many open files. The default open file descriptor limit is
|
||||
// usually not enough
|
||||
let desired_nofile = 65000;
|
||||
|
||||
fn get_nofile() -> libc::rlimit {
|
||||
let mut nofile = libc::rlimit {
|
||||
rlim_cur: 0,
|
||||
rlim_max: 0,
|
||||
};
|
||||
if unsafe { libc::getrlimit(libc::RLIMIT_NOFILE, &mut nofile) } != 0 {
|
||||
warn!("getrlimit(RLIMIT_NOFILE) failed");
|
||||
}
|
||||
nofile
|
||||
}
|
||||
|
||||
let mut nofile = get_nofile();
|
||||
if nofile.rlim_cur < desired_nofile {
|
||||
nofile.rlim_cur = desired_nofile;
|
||||
if unsafe { libc::setrlimit(libc::RLIMIT_NOFILE, &nofile) } != 0 {
|
||||
error!(
|
||||
"Unable to increase the maximum open file descriptor limit to {}",
|
||||
desired_nofile
|
||||
);
|
||||
|
||||
if cfg!(target_os = "macos") {
|
||||
error!("On mac OS you may need to run |sudo launchctl limit maxfiles 65536 200000| first");
|
||||
}
|
||||
}
|
||||
|
||||
nofile = get_nofile();
|
||||
}
|
||||
info!("Maximum open file descriptors: {}", nofile.rlim_cur);
|
||||
}
|
||||
|
||||
pub fn new_banks_from_blocktree(
|
||||
blocktree_path: &Path,
|
||||
account_paths: Option<String>,
|
||||
|
@ -448,6 +487,8 @@ pub fn new_banks_from_blocktree(
|
|||
) {
|
||||
let genesis_block = GenesisBlock::load(blocktree_path).expect("Failed to load genesis block");
|
||||
|
||||
adjust_ulimit_nofile();
|
||||
|
||||
let (blocktree, ledger_signal_receiver, completed_slots_receiver) =
|
||||
Blocktree::open_with_signal(blocktree_path).expect("Failed to open ledger database");
|
||||
|
||||
|
|
|
@ -3,9 +3,6 @@
|
|||
# Adjusts system settings for optimal fullnode performance
|
||||
#
|
||||
|
||||
# shellcheck source=scripts/ulimit-n.sh
|
||||
source "$(dirname "${BASH_SOURCE[0]}")"/ulimit-n.sh
|
||||
|
||||
sysctl_write() {
|
||||
declare name=$1
|
||||
declare new_value=$2
|
||||
|
|
Loading…
Reference in New Issue