Greetings all,
I just had a brainstorm...
I was thinking about database servers with several spindles in a RAID 5
array. Write performance is inherently disappointing -- which may or may
not be an issue.
Would it be worth the trouble to design an "intermediate" cache, whereby
data are quickly written to a spool disk, then to the final destination?
Sort of like softwares that cache CDROMs on HDD...
My gut feel is that this would be more trouble than it's worth, would not
net any overall performance*reliability (expressed as a product) gain, and
that one might actually realize a p*r decrease.
Comments, flames, larts, and funny stares appreciated.
Eddy
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Date: Mon, 21 May 2001 11:23:58 +0000 (GMT)
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