Messages in this thread | | | Date | Fri, 11 Jan 2008 21:29:07 +0530 | From | "Balbir Singh" <> | Subject | Re: [RFC][PATCH] per-task I/O throttling |
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On Jan 11, 2008 4:15 AM, Andrea Righi <righiandr@users.sourceforge.net> wrote: > Allow to limit the bandwidth of I/O-intensive processes, like backup > tools running in background, large files copy, checksums on huge files, > etc. > > This kind of processes can noticeably impact the system responsiveness > for some time and playing with tasks' priority is not always an > acceptable solution. > > This patch allows to specify a maximum I/O rate in sectors per second > for each single process via /proc/<PID>/io_throttle (default is zero, > that specify no limit). > > Signed-off-by: Andrea Righi <a.righi@cineca.it>
Hi, Andrea,
We have been thinking of doing control group based I/O control. I have not reviewed your patch in detail. I can suggest looking at openvz's IO controller. I/O bandwidth control is definitely interesting. How did you test your solution?
Balbir
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