Re: Caching query results

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Sun Aug 24 2008 - 12:03:16 EDT

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    I think the answer is still no, there's no better docs yet. sorry.

    Andrus

    On Aug 24, 2008, at 7:00 PM, Borut Bolčina wrote:
    > Hi,
    >
    > there is still no info/examples about OSCache usage at
    > http://cayenne.apache.org/doc/caching-and-fresh-data.html. Is there
    > anything
    > in the oven?
    >
    > Cheers,
    > Borut
    >
    > 2006/9/25 Andrus Adamchik <andru..bjectstyle.org>
    >
    >> Until 3.0 invalidating query lists was totally up to the developer.
    >>
    >> In 3.0 we added three things - RefreshQuery (mentioned by Ari),
    >> "query
    >> cache group" concept, and pluggable QueryCache. This makes
    >> clustering and
    >> refresh policy management much simpler. I am running this latest
    >> code (3.0
    >> trunk essentially) in pre-production environment on a cluster using
    >> OSQueryCache and it work extremely well.
    >>
    >> I am going to document it better at some point (maybe even write an
    >> article). For now please post on the list if you have more
    >> questions about
    >> that. Essentially I do something like this:
    >>
    >> dataDomain.setQueryCacheFactory(new OSQueryCacheFactory());
    >>
    >> and then configure "oscache.properties" with group refresh policies
    >> (see
    >> OSQueryCache javadocs and OSCache framework documentation for
    >> details).
    >>
    >>



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