Re: 2.5.8 final - another data point

[J Sloan <joe@tmsusa.com>]

FWIW -

One other observation was the numerous
syslog entries generated during the test,
which were as follows:


Apr 14 20:40:35 neo kernel: invalidate: busy buffer
Apr 14 20:41:15 neo last message repeated 72 times
Apr 14 20:44:41 neo last message repeated 36 times
Apr 14 20:45:24 neo last message repeated 47 times


J Sloan wrote:

> dbench performance has regressed significantly
> since 2.5.8-pre1; 

>
> 2.5.8-pre1
> --------------
> Throughput 37.8267 MB/sec (NB=47.2833 MB/sec  378.267 MBit/sec)  64 procs
> Throughput 14.0459 MB/sec (NB=17.5573 MB/sec  140.459 MBit/sec)  80 procs
> Throughput 16.2971 MB/sec (NB=20.3714 MB/sec  162.971 MBit/sec)  128 
> procs
>
> 2.5.8-final
> ---------------
> Throughput 5.55008 MB/sec (NB=6.9376 MB/sec  55.5008 MBit/sec)  64 procs
> Throughput 5.82333 MB/sec (NB=7.27916 MB/sec  58.2333 MBit/sec)  80 procs
> Throughput 3.40741 MB/sec (NB=4.25926 MB/sec  34.0741 MBit/sec)  128 
> procs
>