On 12/1/10 7:54 AM, Kevin Grittner wrote:
"Lello, Nick"<nick.le...@rentrakmail.com> wrote:
What is considered the best filesystem to use for postgres data
stores ?
I held off for a bit to see if someone else would jump in with a
comparison of filesystems, but so far nobody has taken the bait.
The reason I held off is that the only reasonable answer I can think
of is, "It depends."
Personally, I would stay away from any filesystem without journaling
for allocations; which, for example, leaves out ext2. For various
reasons I would also avoid ReiserFS. We've had good luck with xfs
in our shop.
We used xfs with good results for a couple years. We recently reinstalled the
latest Linux and Postgres on the same hardware, and our tests showed ext4 gave
slightly better performance than xfs so we switched to ext4. This is on a BBU
8-disk RAID10 array with 10K SATA disks. Just one data point...
Craig
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