Can you do an iostat -xCzn 3 from the start of test till it drops speed pls?
Can you also show: echo "::interrupts" ¦ mdb -k On 16 Nov 2010 01:45, "Louis Carreiro" <carreir...@gmail.com> wrote: That's for pointing me towards that site! Saying that "txg_synctime_ms" controls zfs's breathing was how I was thinking about it. Great way to describe it! Unfortunately setting txg_synctime_ms to 1000 or even 1 didn't make an improvement. I tried adding the "disable-ohci=true" to the GRUB boot menu via SSH and it didn't come back from it's reboot so I'm not going to be able to due much more tonight (I'm working remotely). I do notice that when the ARC size reaches capacity, that's when things slow down. Also, it never appears to drop after I kill the IO. If I stop all IO, arcstat shows all numbers but the arcsz drop. Should arcsz drop at all? On Mon, Nov 15, 2010 at 7:27 PM, Khushil Dep <khushil....@gmail.com> wrote: > > That controls zfs ...
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