On Thu, Aug 31, 2006 at 12:23:06PM +0100, Chris Withers wrote:
> >My Data.fs is huge (21GB) because it contains many video files. This is 
> >not a
> >problem in itself, however, I recently had to reboot my machine and now 
> >zope
> >takes around 20-30 minutes to restart. Is a fstest automatically done ? How
> >could I accelerate the restarting, if possible ? 
> Use ZEO.

I can see how that could let Zope restart faster.  But 
ZEO can have *severe* performance implications for large blobs
such as videos.  See the bottom of
Maybe worth noting that DirectoryStorage starts up fast regardless of
storage size.  http://dirstorage.sourceforge.net/

It also does not require RAM proportional to storage size.
It is also very reliable and has some other nice features.
The downsides:
- You need a filesystem that can handle very large number of tiny files.
- Packing is VERY slow (21 GB could easily take all night).
- Somewhat slower than Filestorage in general.
- Requires more disk space (+30%).

This page is old but maybe still useful:


Paul Winkler
Zope maillist  -  Zope@zope.org
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