From 2a8ba70e235e5807cb27e734ce8faec1b1ec21de Mon Sep 17 00:00:00 2001
From: Dominic <git@msrd0.de>
Date: Thu, 2 Nov 2023 10:23:31 +0100
Subject: [PATCH] limit the ram usage of ffmpeg
---
src/render/mod.rs | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/src/render/mod.rs b/src/render/mod.rs
index 1c963e0..b5ea7e4 100644
--- a/src/render/mod.rs
+++ b/src/render/mod.rs
@@ -21,6 +21,8 @@ use std::{
process::{Command, Stdio}
};
+const MEMORY_LIMIT: &str = "2G";
+
const INTRO_LEN: Time = Time {
seconds: 3,
micros: 0
@@ -39,8 +41,18 @@ const FF_LOGO_SIZE: usize = 128;
const LOGO_SIZE: usize = 96;
fn cmd() -> Command {
- let mut cmd = Command::new("busybox");
- cmd.arg("ash")
+ // we use systemd-run to limit the process memory
+ // I tried others like ulimit, chpst or isolate, but none worked
+ let mut cmd = Command::new("systemd-run");
+ cmd.arg("--scope")
+ .arg("-q")
+ .arg("--expand-environment=no")
+ .arg("-p")
+ .arg(format!("MemoryMax={MEMORY_LIMIT}"))
+ .arg("--user");
+ // we use busybox ash for having a shell that outputs commands with -x
+ cmd.arg("busybox")
+ .arg("ash")
.arg("-exuo")
.arg("pipefail")
.arg("-c")
--
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