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From Dave <>
Subject Re: Roller on a clustered Tomcat Environment
Date Wed, 18 Jul 2007 02:44:38 GMT
On 7/17/07, Leon Messerschmidt <> wrote:
> 1.  The search index is going to be somewhat of a problem.  There will
> need to be some extra development to use a central search engine such as
> solr.

Yes. Search does not (yet) work in a distributed fashion.

> 2.  The roller_data directory will need to live on a location (NFS
> perhaps) that is accessible to all instances of roller


> 3.  We'll have to turn caching off entirely or look into distributed
> caching.

The cache is fully pluggable, so you can plugin a distributed cache.

You can use memcached as a distributed cache via the plugin here:

But we don't have docs for it yet.

> 4.  We'll have to turn off pinging in all the instances except for one.


> Anything else that I should be aware of?  Anybody care to help me out?

I think you are mostly on track. Allen had a good post about
distributed Roller a while back, but I was unable to turn it up via

- Dave

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