* Thomas Hurst ([EMAIL PROTECTED]) wrote: > * Kris Kennaway ([EMAIL PROTECTED]) wrote: > > >> Excellent. I've been seeing this behavior for a long time, mostly on > >> backup runs (RAID-1 amr SATA -> 1 disk Marvell ata). It's pretty odd > >> seeing a system with 8G of memory, 60% of which is just cache, swap > >> out half a dozen things for no apparant reason. And to think, people > >> on FreeNode ##freebsd just insisted I had a misconfigured system ;) > > 7 does indeed seem to resolve this. Also, no sign of corruption on my > Marvell 88SX6081, at least during serial read tests. I'll test with > a level 0 dump tonight; my writes go via tee to the filesystem and > sha1(1) so I should pick up any silent corruption.
Doh: http://voi.aagh.net/voi.nightsdawn.sf-swap-day.png Making a 100GB dump of /usr, then making a par2 set results in minor paging activity all through it. Running sha1 over the dump has a similar effect. It settles around 2.5MB swap now, though; 6 would quickly settle around 10MB, so it does appear to be improved somewhat; top isn't showing fetchmail and friends as <swapped> for instance. This is off a single ata(4) disk, which peaks around 65MB/s. sha1 file results match that from the dump|tee file|sha1 > file.sha1 at least :) -- Thomas 'Freaky' Hurst http://hur.st/ _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
