help needed - tuning a filesystem for rm and cp ? (MORE)

[Ivan Voras]

Gore Jarold wrote:

> All else being equal, how do you optimize a system for
> copying from one place to another on the same mount
> point ?  How do you optimize a system for fast file
> deletion ?  Are the two mutually exclusive ?

You might try increasing vfs.ufs.dirhash_maxmem if the default's too low 
for you (see what "sysctl -a | grep dirhash" reports).

What does iostat report during these operations? MB/s, CPU utilization? 
What time of it's spent in SYS?

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