At 03:07 PM 12/19/2007, Alexandre Biancalana wrote:
On 12/19/07, Mike Tancsa <[EMAIL PROTECTED]> wrote:
> At 02:09 PM 12/19/2007, Alexandre Biancalana wrote:
>
> >The behavior that I'm observing and that want your help is when the
> >system is accessing some directory with many small files ( directories
> >with ~ 1 million of ~30kb files), the performance is very poor.
>
> Hi,
I'm using zfs, I think this change the things.. no ?
Hmmm, I dont know. Quite possibly / probably. Based on your values
below, its not hitting the max if it were effected. I dont know
anything about ZFS to know if there is some specific tuning that
needs to be done for many files :(
---Mike
> Have you adjusted the dirhash value ? What does
>
> sysctl -a vfs.ufs | grep dirhash
# sysctl -a vfs.ufs | grep dirhash
vfs.ufs.dirhash_docheck: 0
vfs.ufs.dirhash_mem: 1410338
vfs.ufs.dirhash_maxmem: 2097152
vfs.ufs.dirhash_minsize: 2560
>
> show on your box ? Also, do you have a lot of UIDs in your passwd file ?
No.
# wc -l /etc/passwd
45 /etc/passwd
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