On Mon, Mar 25, 2013 at 09:43:31PM +0100, Sa?o Kiselkov wrote: > On 03/25/2013 06:39 PM, Franz Schober wrote: > > Hi, > > A bunch more things came to my mind, see comments below: > > > Test: Writing a 1 GB File > > time dd if=/dev/zero of=/tmp/testfile1 bs=128k count=8k > > Mean value of 3 tests on every system. > > (I also tried IOZone but the simple dd test seems to show the problem) > > Make sure you write a lot more data per test run. Give it like 50-60GB > at least. Btw: "/tmp" is tmpfs, which resides on your swap device, which > is decided not a high-performance file system store.
/tmp is memory first, and if there's no swap device, it uses available system memory. I *thought* that's what the original poster was decrying, his memory throughput, as measured via in-memory tmpfs. Dan ------------------------------------------- illumos-discuss Archives: https://www.listbox.com/member/archive/182180/=now RSS Feed: https://www.listbox.com/member/archive/rss/182180/21175430-2e6923be Modify Your Subscription: https://www.listbox.com/member/?member_id=21175430&id_secret=21175430-6a77cda4 Powered by Listbox: http://www.listbox.com
