iozone doesn't vary the blocksize during the test, it's a very
artificial test but it's useful for gauging performance under
different scenarios.
So for this test all of the writes would have been 64k blocks, 128k,
etc. for that particular step.
Just as another point of reference I reran the test
vfs.zfs.txg.synctime_ms: 1000
vfs.zfs.txg.timeout: 5
On Thu, Jul 19, 2012 at 8:47 PM, John Martin wrote:
> On 07/19/12 19:27, Jim Klimov wrote:
>
>> However, if the test file was written in 128K blocks and then
>> is rewritten with 64K blocks, then Bob's answer is probably
>> valid - the block wo
