On Tue 07 Apr 2015 11:11:57 AM NeilBrown wrote: > On Tue, 31 Mar 2015 19:17:34 +0200 stkoupr <p.kouril@xxxxxx> wrote: > > Hi, > > > > We are testing write performance of md raid5 with SSD array and we are > > hitting limit which I understand is caused by writes being handled in > > single thread (md0_raid5 process is eating 100% of 1 CPU core when the > > test is running). I understood that there is some work in progress which > > should make write handling multi-threaded. I'd like to ask about the > > status of this work, is it still in progress or planned? > > > > Regards, > > Prema > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > See /sys/block/mdXXX/md/group_thread_cnt > > Set it to a bigger number, get more threads. > > Requires 3.12 or later. What does it mean when that property is set to 0? > NeilBrown -- Thomas Fjellstrom thomas@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
