On Thu, Aug 23, 2007 at 09:09:00AM -0400, Merlin Moncure wrote: > I'm testing the new asynch commit feature on various raid > configurations and my early findings is that it reduces the impact of > keeping wal and data on the same volume. I have 10 disks to play > with, and am finding that it's faster to do a 10 drive raid 10 rather > than 8 drive raid 10 + two drive wal. > > anybody curious about the results, feel free to drop a line. I think > this will be a popular feature.
With or without a write cache on the RAID controller? I suspect that for many systems, a write-caching controller will be very similar in performance to async commit. -- Decibel!, aka Jim Nasby [EMAIL PROTECTED] EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)
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