More zfs benchmarks
jon at witchspace.com
Sun Feb 14 22:59:08 UTC 2010
On 14 Feb 2010, at 21:15, Joshua Boyd wrote:
> Repeated the same tests on my AMD64 dual core 4GB system with 5 HD103SI 1T
> drives in raidz1 on a Supermicro PCI-E controller, running 8-STABLE.
[ snip results ]
I was hoping I'd get something closer to these figures...
> Here are my relevant settings:
I already had prefetch disabled, but retrying with zil disabled made no difference.
What is your arc_min and arc_max set to?
> On Sun, Feb 14, 2010 at 3:34 PM, Michael Loftis <mloftis at wgops.com> wrote:
>> You really need to test with at least 4GB of data, else you're just testing
>> caching speeds on writing. Use a test suite like bonnie++ and you'll see
I'd expect to get more than 4MB/s if I was just measuring cache speed :-)
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