Re: 2.6.11-rc3: 80-95% systime when serving files via NFS

[Steve Lord <lord@xxxxxxx>]

Anders Saaby wrote:
> Extra note:
>
> As one of my colleagues pointed out, prime numbers are usually better for 
> hashtable sizes, so I just tried ihashsize=64433 (prime number).
> This resulted in ~20% less systime and the following kernel profiles looks 
> like prime numbers definetly _is_ a good idea:
To me that usually suggests that a better hash algorithm is called for,
using the prime number for a bucket count means you get into doing
more complex math to work out the bucket.

Steve (who has not looked at this code at all)