Re: FreeBSD IO Performance (was Re: Quality of FreeBSD)

2005-09-25 Thread Bohdan Horst
On Mon, Jul 25, 2005 at 06:00:21PM +0200, Bohdan Horst wrote: On Mon, Jul 25, 2005 at 10:15:41PM +1200, Mark Kirkwood wrote: Hmm - looks like I missed that thread, never mind - repeatability of findings is sound scientific principle :-) With respect to changing the default for

Re: FreeBSD IO Performance (was Re: Quality of FreeBSD)

2005-07-25 Thread Mark Kirkwood
Hmm - looks like I missed that thread, never mind - repeatability of findings is sound scientific principle :-) With respect to changing the default for vfs.read_max - makes sense to me, but it would be interesting to know if anyone has a system that performs *worse* with it set to 16.

Re: FreeBSD IO Performance (was Re: Quality of FreeBSD)

2005-07-25 Thread Bohdan Horst
On Mon, Jul 25, 2005 at 10:15:41PM +1200, Mark Kirkwood wrote: Hmm - looks like I missed that thread, never mind - repeatability of findings is sound scientific principle :-) With respect to changing the default for vfs.read_max - makes sense to me, but it would be interesting to know if

Re: FreeBSD IO Performance (was Re: Quality of FreeBSD)

2005-07-24 Thread Chris
Its been mentioned before and most experience the same as you by setting it to 16 a dramatic improvement in the sequential read, I currently run all my 5.x servers like this with no issues as a result. I am curious if the default will ever be changed. Chris On 22/07/05, Mark Kirkwood [EMAIL

FreeBSD IO Performance (was Re: Quality of FreeBSD)

2005-07-22 Thread Mark Kirkwood
I happened to have received a 'new' machine, and wanted to see what its IO system was capable of. So took the opportunity to run 4.10 and 5.4 against each other a few times. (fresh re-installs each time). Its documented at: http://homepages.paradise.net.nz/markir/freebsd/ I wanted to play with