Re: Comparison of notail and notail,iicache(14) 2.4.19-pre7

[Manuel Krause <manuel.krause@mb.tu-ilmenau.de>]

On 04/25/2002 12:25 AM, Manuel Krause wrote:

> Hi all!
> 
> I tried the patch linux-2.4.19p6-iicache-new-14.patch on 2.4.19-pre7 in 
> addition to Olegs first speedup patches, some AA and AKPM ones and made 
> a comparison of my backup timings:
> 
> /dev/hda11             5550248   4804584    745664  87% /mnt/beta
> 
> noatime,notail:
> ---------------
> to udma-33       real   9m46.648s   user 0m1.970s   sys 1m45.070s
>                         7.800 MB/s      (used FS)
>            
> back to udma-66  real  11m 7.432s   user 0m1.940s   sys 1m43.530s
>                         7.030 MB/s      (unused FS)
>     
> noatime,notail,iicache (new-14):
> --------------------------------
> to udma-33       real   9m38.230s    user 0m1.970s   sys 1m48.670s
>                         8.114 MB/s      (unused FS)
>                                  +1.45% rate (first copy)
>                
> back to udma-66  real  10m54.870s    user 0m2.230s   sys 1m46.280s
>                         7.165 MB/s      (unused FS)
>                              +1.92% rate (second copy)
> 020424 23:55
> 
> 
> File size distribution statistics are available upon requst.
> 


Sorry, I just see I've always forgotten to mention I use RMLs preempt + 
lock-break patches, too. More info upon a stable configuration on this 
setup for dd backups and VMware sessions - just mail. (Just in case 
someone faced same problems I did.)

Thanks
and best wishes, again,



Manuel