Re: Cfq first request patch changes IO performance

2007-02-27 Thread Jens Axboe
On Mon, Feb 26 2007, Ananiev, Leonid I wrote: > The patch "cfq-iosched: defer slice activation to first request being > active" > http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=c > ommitdiff;h=44f7c16065c83060cbb9dd9b367141682a6e2b8e;hp=99f9628aba4d8fb3 > b8d955c9efded0d0a19

Cfq first request patch changes IO performance

2007-02-26 Thread Ananiev, Leonid I
The patch "cfq-iosched: defer slice activation to first request being active" http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=c ommitdiff;h=44f7c16065c83060cbb9dd9b367141682a6e2b8e;hp=99f9628aba4d8fb3 b8d955c9efded0d0a1995fad Sysbench fileio (random read/write mix) -15% Tiob