noycebe/stress repository overview

⁠Info stress

Usage: stress [OPTION [ARG]] ...
-?, --help show this help statement
--version show version statement
-v, --verbose be verbose
-q, --quiet be quiet
-n, --dry-run show what would have been done
-t, --timeout N timeout after N seconds
--backoff N wait factor of N microseconds before work starts
-c, --cpu N spawn N workers spinning on sqrt()
-i, --io N spawn N workers spinning on sync()
-m, --vm N spawn N workers spinning on malloc()/free()
--vm-bytes B malloc B bytes per vm worker (default is 256MB)
--vm-stride B touch a byte every B bytes (default is 4096)
--vm-hang N sleep N secs before free (default is none, 0 is inf)
--vm-keep redirty memory instead of freeing and reallocating
-d, --hdd N spawn N workers spinning on write()/unlink()
--hdd-bytes B write B bytes per hdd worker (default is 1GB)
--hdd-noclean do not unlink files created by hdd workers

Example: stress --cpu 8 --io 4 --vm 2 --vm-bytes 128M --timeout 10s

Note: Numbers may be suffixed with s,m,h,d,y (time) or B,K,M,G (size).

⁠Docker run examples

docker run -d --rm noycebe/stress -c 1 --vm 1 --vm-bytes 140m -t 50s

Memory cgroup out of memory:
docker run -d --rm -m 128m --memory-swap 128m noycebe/stress -c 1 --vm 1 --vm-bytes 140m -t 50s

⁠Docker create option example

{
"Entrypoint": [
"stress",
"-c",
"5",
"--vm",
"1",
"--vm-bytes",
"140m",
"--hdd",
"1",
"-t",
"50s"
]
}