Tuning for large outbound smtp queues

Mike Silbersack silby at silby.com
Thu Feb 19 07:44:08 PST 2004


On Thu, 19 Feb 2004, Mike Tancsa wrote:

> Actually, do you still need to newfs the partition afterwards to take
> advantage of  UFS_DIRHASH   ? I seem to recall a long time ago this was the
> case.
>
>          ---Mike

Nope, UFS_DIRHASH is just another layer of caching the kernel does,
nothing more.

You're thinking of when the new dirpref code went into the kernel, which
changed where new directories were located on the disk.  In order to take
full advantage of that change, you would have to start from scratch.
(That would not be necessary if the disk was mostly empty, however.)

Mike "Silby" Silbersack


More information about the freebsd-performance mailing list