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Increase vmap count in sys-tuner (#8940) (#9064)

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(cherry picked from commit a70008cc5c)

Co-authored-by: sakridge <sakridge@gmail.com>
This commit is contained in:
mergify[bot]
2020-03-25 08:06:36 -07:00
committed by GitHub
parent 03aae5eb5f
commit 5f2cf2b44d
1 changed files with 5 additions and 2 deletions
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7
sys-tuner/src/main.rs
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@ -66,7 +66,7 @@ fn tune_poh_service_priority(uid: u32) {
}
#[cfg(target_os = "linux")]
fn tune_kernel_udp_buffers() {
fn tune_kernel_udp_buffers_and_vmmap() {
use sysctl::CtlValue::String;
use sysctl::Sysctl;
fn sysctl_write(name: &str, value: &str) {
@ -91,6 +91,9 @@ fn tune_kernel_udp_buffers() {
sysctl_write("net.core.rmem_default", "134217728");
sysctl_write("net.core.wmem_max", "134217728");
sysctl_write("net.core.wmem_default", "134217728");
// increase mmap counts for many append_vecs
sysctl_write("vm.max_map_count", "262144");
}
#[cfg(unix)]
@ -145,7 +148,7 @@ fn main() {
info!("Tuning the system now");
#[cfg(target_os = "linux")]
{
tune_kernel_udp_buffers();
tune_kernel_udp_buffers_and_vmmap();
}
}
}