Slow directory access with lots of files

Miguel Mendez flynn at
Mon Jan 17 12:34:49 PST 2005

On Mon, 17 Jan 2005 11:13:43 -0800
Kris Kennaway <kris at> wrote:


> Do you have UFS_DIRHASH in your kernel?  If you don't, or if you added
> it after the disk was already populated, you'll see the benefits if
> you dump, wipe and restore the disk.

Could you elaborate on that? My impression has always been that dirhash
does all its magic in memory, without persistant data stored on disk.
Miguel Mendez <flynn at>
PGP Key: 0xDC8514F1

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