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From Rakesh Vidyadharan <rak...@sptci.com>
Subject Re: Filesystem versus PersistenceManager questions
Date Mon, 14 Dec 2009 19:44:44 GMT

On 14 Dec 2009, at 13:24, ChadDavis wrote:

>>> 3) Is the Derby PM considered production worthy?  Any reason not to use it?
>> Personal I trust derby as a low overhead database with zero
>> administration. It's not suitable if you have strong dba person which
>> she/he may lose job:) You may use other db if:
>> * Prepared to manage database.
>> * Multi connection required (embedded db using single connection always)
>> * Cluster your db
>> * Huge db size
>> * You application will use exist db along with jackrabbit
> What do you mean that the embedded db can only have a single
> connection?  If I run my repository in some server fashion, such as
> RMI or SPI, can I still connect to the repository from two
> applications at the same time?  Or is this the type of
> multi-connection you are talking about.

An embedded database is bound to a particular process, that is a single JackRabbit instance.
 So, if you are running JR as a server, then other applications will be able to access the
underlying data store via the JR server.

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