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TL;DR

stress

Stress test CPU, memory, and IO on a Linux system. More information: https://manned.org/stress.

  • Spawn 4 workers to stress test CPU:

stress -c 4

  • Spawn 2 workers to stress test IO and timeout after 5 seconds:

stress -i 2 -t 5

  • Spawn 2 workers to stress test memory (each worker allocates 256M bytes):

stress -m 2 --vm-bytes 256M

  • Spawn 2 workers spinning on write()/unlink() (each worker writes 1G bytes):

stress -d 2 --hdd-bytes 1GB

This document was created using the contents of the tldr project.