Performance drop in iozone for reading large files

[J. Bruce Fields]

On Fri, Aug 25, 2006 at 05:23:37PM -0400, Trond Myklebust wrote:
> Is the readahead algorithm working correctly? Could you please try
> applying the following patch, and then check your syslog for warnings?

So what does iozone do to eliminate the effect of caching here, anyway?

--b.