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tldr/pages/common/ionice.md
2016-01-08 09:38:59 +01:00

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ionice

Get or set program I/O scheduling class and priority. Scheduling classes: 1 (realtime), 2 (best-effort), 3 (idle). Priority levels: 0 (the highest) - 7 (the lowest).

  • Set I/O scheduling class of a running process:

ionice -c {{scheduling_class}} -p {{pid}}

  • Run a command with custom I/O scheduling class and priority:

ionice -c {{scheduling_class}} -n {{priority}} {{command}}

  • Print the I/O scheduling class and priority of a running process:

ionice -p {{pid}}