[nycbug-talk] Mac OSX Troubleshooting tools

O_Sleep o_sleep
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 
> far
> as RAID caching perf. I have found that this varies from hardware 
> vendor
> 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.
> -pete
> -- 
> ~~oO00Oo~~
> Peter Wright
> pete at nomadlogic.org
> www.nomadlogic.org/~pete
> 917.415.9866
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