Hi guys.

repoze has package is useful for solving  the transaction management  
issue.

http://svn.repoze.org/repoze.tm2

Regards,
David



On Nov 1, 2008, at 4:39 AM, Andreas Jung wrote:

> On 31.10.2008 22:17 Uhr, Christophe Combelles wrote:
>> Tim Cook a écrit :
>>> Does anyone know of any work being done on a PyTables
>>> http://www.pytables.org storage?
>>
>> No, but I might be interested in such a thing, since I've created  
>> last year a
>> medical data analysis software on which I encountered such memory  
>> issues, while
>> looping over large structures in zodb.
>> I have looked at pytables a few times, but I've never tried it  
>> yet. (I had also
>> looked at SOOM (a component of NetEpi Analysis), which allow to  
>> compute stats on
>> very large datasets.)
>> Is it worth creating a new storage implementation for such cases?  
>> Don't just we
>> need to implement (or use an existing) specific structure in  
>> filestorage?
>>
>> Christophe
>>
>>> I see a future need in my project to be able to manage real time  
>>> storage
>>> of medical data and the author of PyTables lists the memory usage  
>>> of the
>>> ZODB as being a drawback in these situations.
>
> The problem with all such implementations is: they don't support  
> transactions which is a major requirement. I also looked at 10gen  
> lately (something similar like GAE but open-source) and they also  
> provide some nice storage (of course "the cloud") but also lack  
> transaction integration.
>
> Andreas<lists.vcf>_______________________________________________
> For more information about ZODB, see the ZODB Wiki:
> http://www.zope.org/Wikis/ZODB/
>
> ZODB-Dev mailing list  -  ZODB-Dev@zope.org
> http://mail.zope.org/mailman/listinfo/zodb-dev

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