As far as I know UFS is faster than ZFS on FreeBSD 9.0.
Some users reported stability problem with ZFS on AMD64 and maybe UFS is
On 07/24/2012 03:51 PM, Laszlo Nagy wrote:
> Under FreeBSD 9, what filesystem should I use for PostgreSQL? (Dell
> PowerEdge 2900, 24G mem, 10x2T SATA2 disk, Intel RAID controller.)
> * ZFS is journaled, and it is more independent of the hardware. So
> if the computer goes wrong, I can move the zfs array to a
> different server.
> * UFS is not journaled. Also I have to rely on the RAID card to
> build the RAID array. If there is a hw problem with it, then I
> won't be able to recover the data easily.
> I wonder if UFS has better performance or not. Or can you suggest
> another fs? Just of the PGDATA directory.
In response to
pgsql-performance by date
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