On 06/30/2011 10:12 AM, Proskurin Kirill wrote: > On 06/29/2011 08:14 PM, Josef Bacik wrote: >>> Ok - I upgrade to 2.6.39-2 but it is seems to all things get worse. >>> Now I see [btrfs-transacti]& btrfs-endio-wri] 80-100% all the time and >>> io performance looks like lower then before. >>> >>> Our scribe daemon in state D most of the time with half of a normal >>> load. Only kernel was changed. >>> >>> Any performance tune recommendation? >>> >> >> Can you get sysrq+w while this problem is happening so we can see whats >> going on? Thanks, > > I attached sysrq+w. Hope it helps. > Heh so it just looks like you are writing a bunch of stuff, that's not particularly helpful. What does this program do generically? How full is your fs? Do you have snapshots/subvolumes? If so how many? Thanks, Josef -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
