Anton B. Rang wrote:
Second, VDBench is great for testing raw block i/o devices.
I think a tool that does file system testing will get you
better data.
OTOH, shouldn't a tool that measures raw device performance be reasonable to reflect
Oracle performance when configured for raw devices? I don't know the current "best
practice" for Oracle, but a lot of DBAs still use raw devices instead of files for
their table spaces....
Sure, once you charchterize what the performance of the oracle DB us.
(Read% vs. Write%, i/o size, etc.) VDBench is great for testing the raw
device with whatever workload you want to test.
Most of the Oracle folks I talk to mention they use fs these days ...
but that isn't scientific by any stretch.
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