System perforamance 4.x vs. 5.x and 6.x

[Kris Kennaway]

Aleksey Perov wrote:
> 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.

Thanks, that is precisely the kind of feedback we are looking for.

Kris