System perforamance 4.x vs. 5.x and 6.x
Aleksey Perov
algardo at sura.ru
Fri Feb 15 12:05:24 UTC 2008
Kris Kennaway wrote:
> I checked with the developer, and no-one running 6.x and quotas ever
> replied to multiple requests to test the patch. It can be found here if
> you want to resolve this performance problem without upgrading to 7.0:
>
> http://people.freebsd.org/~kib/quotagiant/quotas-RELENG_6-20070623-1455.patch
Well, I'm running RELENG_6 SMP system with this patch since september
2007 (last updated 2008-02-08), and I haven't seen any quota-related
problem. Quota-enabled partition is 60 GB UFS2 containing 25,000+
customers' home directories with Maildir-style mailboxes and surviving
100,000+ deliveries (file creations) and approximately the same number
of retrievals (file deletions) each day.
mail:~# df -i /disk1
Filesystem 1K-blocks Used Avail Capacity iused ifree %iused Mounted on
/dev/da1s1d 66343254 25904146 35131648 42% 1479119 7117359 17% /disk1
mail:~# mount
/dev/da1s1d on /disk1 (ufs, local, noexec, nosuid, with quotas, soft-updates)
If I can run some specific (stress?) tests that might provide useful
information, let me know. Output of dmesg, vmstat, iostat, top, etc --
just ask.
--
Aleksey
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