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From Patrick Antivackis <>
Subject Re: couchdb transactions changes
Date Sun, 08 Feb 2009 11:55:24 GMT
Does Couch really has to be ACID compliant, lot of ACID databases exist
already from traditional RDBMS to Java Content Repository (Document
databases that are compliant to JSR 170 level 2)  such as Jackrabbit from
Apache or  ExoJCR or Alfresco. And traditional databases has always been a
pain in the ... when it comes to the web layer and you need to scale out
(see the 2 phases commit).

Just to clarify some definitions and options, a very interesting article
from Dan Pritchett (Ebay DBA)

2009/2/8 Antony Blakey <>

> On 08/02/2009, at 6:29 PM, Chris Anderson wrote:
>  I. Replication is concurrent with normal operation, and may or may not
>> be under user control. Normal operation sees conflicts.
>> +1 for handling I correctly.
> Sure, I'm not suggesting that *any* case isn't handled correctly. I'm
> suggesting that the other cases can be handled in a way that takes advantage
> of the the particular characteristic of the case to simplify both the
> programing model and the user interface. I'm arguing against thinking of
> CouchDB as having just one dominant use case to which every other case must
> submit.
> Antony Blakey
> -------------
> CTO, Linkuistics Pty Ltd
> Ph: 0438 840 787
> He who would make his own liberty secure, must guard even his enemy from
> repression.
>  -- Thomas Paine

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