On Tue 2008-01-15 17:49:36, Andrea Righi wrote: > Allow to limit the I/O bandwidth for specific uid(s) or gid(s) imposing > additional delays on those processes that exceed the limits defined in a > configfs tree. > > Examples: > > Limit the I/O bandwidth for user www-data (UID 33) to 4MB/s: > > [EMAIL PROTECTED]:/config/io-throttle# mkdir uid:33 > [EMAIL PROTECTED]:/config/io-throttle# cd uid:33/ > [EMAIL PROTECTED]:/config/io-throttle/uid:33# cat io-rate > io-rate: 0 KiB/sec > requested: 0 KiB > last_request: 0 jiffies > delta: 388202 jiffies > [EMAIL PROTECTED]:/config/io-throttle/uid:33# echo 4096 > io-rate > [EMAIL PROTECTED]:/config/io-throttle/uid:33# cat io-rate > io-rate: 4096 KiB/sec > requested: 0 KiB > last_request: 389271 jiffies > delta: 91 jiffies > > Limit the I/O bandwidth of group backup (GID 34) to 512KB/s:
Maybe ionice from cfq should be improved, instead? -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
