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From anton_slutsky <aslut...@applevac.com>
Subject RE: Multiple Jackrabbits using the same database for read operations
Date Tue, 06 Feb 2007 00:00:17 GMT

Hello everyone,

This is an intersting topic.  We are thinking of how to handle the same
exact use case and pointing various jackrabbit instances to the same
datasource is being heavily discussed.  Looking at how they do their
indexing and such, it doesnt look like it would work.  Has anybody tried
using the JCA or the RMI access options on applications with any
considerable load?  I'm wondering if those methods are scalable enough.


Shaun Barriball wrote:
> Hi Sriram,
> I submitted a similar enquiry a few weeks ago titled "Deployment use-case
> :
> 1 read/write instance / multiple read-only instances" and my understanding
> is that you cannot read from the same database (much as we'd like to).
> The recommended solution is to use the JackRabbit clustering features and
> database replication to distinct db instances for each reader. I'm
> assuming
> that multiple repositories hitting the same database can cause corruption.
> I'd welcome any suggestions from those that know different to the above. 
> Regards,
> Shaun.
> -----Original Message-----
> From: Sriram Narayanan [mailto:sriramnrn@gmail.com] 
> Sent: 01 February 2007 13:36
> To: users@jackrabbit.apache.org
> Subject: Multiple Jackrabbits using the same database for read operations
> Hi all:
> Assume a Content Repository store that we will only read from. In such a
> case, would it be possible for multiple instances of JackRabbit to hit the
> same database ?
> Are there any lessons learned when trying such an action ?
> If this is not available out of the box, would implementing a custom
> PersistenceManager help ? I'm willing to put in this effort, if need be.
> Thanks in advance
> -- Sriram
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