[ZODB-Dev] Re: Concurrent transactions

Kai Diefenbach usenet at diefenba.ch
Fri Jun 1 06:07:07 EDT 2007


Stefan H. Holek <stefan at epy.co.at> wrote:

> Counting in the ZODB is more or less a no-go. You will get write  
> conflicts, and your ZODB will grow (too) quickly. 

But what's an alternative? 

In general I don't like the thought to use a RDBMS in parallel to Zope's
ZODB approach. And more than ever for a counter.

> That said, you may want to look at BTrees.Length for a "counter" with
> built-in conflict  resolution.

Looks good. Thanks for this hint.

-- 
Kai Diefenbach - http://diefenba.ch
iqplusplus - http://iqpp.de



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