Messages in this thread | | | From | Thomas Schlichter <> | Subject | Re: 2.5.60-mm2 | Date | Fri, 14 Feb 2003 11:10:41 +0100 |
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On Friday, 14. February 2003 10:38, Dave Jones wrote: > On Fri, Feb 14, 2003 at 01:31:44AM -0800, Andrew Morton wrote: > > . Considerable poking at the NFS MAP_SHARED OOM lockup. It is limping > > along now, but writeout bandwidth is poor and it is still struggling. > > Needs work. > > > > . There's a one-liner which removes an O(n^2) search in the NFS > > writeback path. It increases writeout bandwidth by 4x and decreases CPU > > load from 100% to 3%. Needs work. > > I'm puzzled that you've had NFS stable enough to test these. > How much testing has this stuff had? Here 2.5.60+bk clients fall over under > moderate NFS load. (And go splat quickly under high load). > > Trying to run things like dbench causes lockups, fsx/fstress made it > reboot, plus the odd 'cheating' errors reported yesterday. > > Dave
I've got NFS problems with 2.5.5x - 60-bk3, too, but here I can workaround them by simply pinging the NFS-server every second... Funny, but it works! Perhaps this can help finding the real bug?!
Thomas[unhandled content-type:application/pgp-signature] | |