Re: kswapd, kupdated, and bdflush at 99% under intense IO

2001-04-10 Thread Rik van Riel
On Tue, 10 Apr 2001, Alan Cox wrote: > > Any time I start injecting lots of mail into the qmail queue, *one* of the > > two processors gets pegged at 99%, and it takes forever for anything typed > > at the console to actually appear (just as you describe). But I don't see > > Yes I've seen this

Re: kswapd, kupdated, and bdflush at 99% under intense IO

2001-04-10 Thread Alan Cox
> Any time I start injecting lots of mail into the qmail queue, *one* of the > two processors gets pegged at 99%, and it takes forever for anything typed > at the console to actually appear (just as you describe). But I don't see Yes I've seen this case. Its partially still a mystery > Upon pow

RE: kswapd, kupdated, and bdflush at 99% under intense IO

2001-04-10 Thread Phil Oester
I've seen similar 'unresponsiveness' running 2.4.3-ac2 on a Qmail server. The hardware is dual-processor PIII 650 w/1GB of RAM. SCSI is sym53c895 with dual Quantum 9gb drives. Any time I start injecting lots of mail into the qmail queue, *one* of the two processors gets pegged at 99%, and it tak