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From "R. Verlangen" <ro...@us2.nl>
Subject Re: Newbie question about writer/reader consistency
Date Tue, 27 Dec 2011 14:50:24 GMT
You might consider a hybrid solution with a transactional db for all data
that should be ACID complient and Cassandra for the huge amounts of data
you want to store.

2011/12/27 Radim Kolar <hsn@sendmail.cz>

>
>  makes me feel disappointed about consistency in Cassandra, but I wonder is
>> there is a way to work around it.
>>
> cassandra is not suitable for this kind of programs. CouchDB is slightly
> better, it has transactions but no locking and i am not sure if transaction
> isolation is supported now. mongodb has some kind of atomic operations -
> http://www.mongodb.org/**display/DOCS/Atomic+Operations<http://www.mongodb.org/display/DOCS/Atomic+Operations>
but no locking or rollbacks either.
>
> Standard RDBMS like DB2 and Oracle are best for your kind of applications,
> they can scale well too. In DB2 you can choose between shared disk and
> shared nothing cluster architecture.
>

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