Hi Wichert,
Thanks for your quick reply...
Wichert Akkerman wrote:
Previously Tim Hicks wrote:
Hi,
At the risk of pouring fuel on the "where does it hurt" fire, I'm
interested in working with plone.app.content.
My reason being that for my application, Archetypes appears to be a huge
drain on both disk and RAM resources - to the point that I'm frequently
seeing MemoryError exceptions on my memory-constrained web host.
My application is actually a CMFBibliographyAT folder containing about
1500 bibliographic references. (There are no PDFs or anything else in
there, just the references.) When I export this folder in the ZODB
sense, the resulting file is about 24,000KB. When I export this folder
to bibtex (which is a structured text representation for bibliographic
references), the resulting file is about 1,400KB. This is very striking
to me.
Question 1: Am I right to blame AT here?
Try a pack to see how large your database really is. Extra indexing and
other work during the import will inflate the ZODB.
My understanding (confirmed by Andreas Jung) is that my
'bibliography.zexp' file (i.e. the ZODB export of just my CMFBib folder)
is automatically packed when it's exported. The 24,000KB file size I
reported is for that file, not the (increase in the) size of my Data.fs
after importing bibliography.zexp.
The evidence suggests that AT is quite 'heavy' in this respect.
As to the rest of your points: thanks :).
Tim
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