[nycbug-talk] Mac OSX Troubleshooting tools
o_sleep at belovedarctos.com
Sat Dec 18 01:09:19 EST 2004
iozone is a throughput benchmark tool that does a pretty thorough job.
On Dec 18, 2004, at 12:50 AM, Pete Wright wrote:
> On Sat, Dec 18, 2004 at 12:26:58AM -0500, Megan Restuccia wrote:
>> Does anyone have a link to a good program for Mac OSX that will allow
>> me to test max data throughput disk I/O read, writes, network and
>> RAID caching performance (on varied size files - I have the inputs).
>> I've been using pathrate, pathload, (dbench/tiobench - don't remember
>> if these compiled on Mac) and various built-in tools and wanted to
>> know what others used and good/bad points.
> I don't know of any single app or utility that I would suggest to
> test/monitor Disk I/O. The one utility that I do use frequently to
> monitor disk I/O and other activity is iostat (8). I believe this is
> available on Darwin, on Gnu/Linux i believe it's called sysstat. As
> as RAID caching perf. I have found that this varies from hardware
> to hardware vendor. If you are using the Apple XRaid's I believe there
> are options in it's management package to check this out. I have used
> similar, vendor specific, software to monitor IBM JBOD's and RAID's as
> well as SGI RAID's.
> Peter Wright
> pete at nomadlogic.org
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