[Zope] Folder with one million Documents?

[Stephan Goeldi]

> > You also will REALLY need some nice hardware.  I would suggest the 
>fastest
> > box you can get with LOTS of RAM.  I would look at something along the 
>lines
> > of a Dual Athlon 2000+ (P-rated, not MHz) box with 3-4 GB RAM, and a 
>striped
> > RAID volume of fast disks.

No serious web hoster would make use of a RAID-0 on a productive server! 
When you speak of striping (alias RAID-0) insecurity is at least doubled, 
because when 1 harddisc crashes, the data is lost on both discs. RAID-1, 5 
or 10 would be better.

RAID-1 mirrors the disks and improves READ performance (because the data can 
be read from at least two discs at the same time). RAID-5 gives less 
performance improvement but at least more than without any RAID. RAID-5 
needs at least 3 discs and uses an algorithm to recover data from a crashed 
disc. RAID-10 is a combination of RAID-0 and RAID-1.

Does anybody have comparisons of the performance of Zope in these different 
RAID environments? Our Zope Hosting bases on a RAID-5 solution, because it 
seemed us to be a good combination of performance and security.

Stephan

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