On Mon, Jul 17, 2006 at 12:52:17AM +0200, Mikael Carneholm wrote:
> Now to the interesting part: would it make sense to use different stripe
> sizes on the separate disk arrays? In theory, a smaller stripe size
> (8-32K) should increase sequential write throughput at the cost of
> decreased positioning performance, which sounds good for WAL (assuming
> WAL is never "searched" during normal operation).
For large writes (ie. sequential write throughput), it doesn't really matter
what the stripe size is; all the disks will have to both seek and write
anyhow.
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