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Subject: Re: Multiple application using same database, cache issue
From: Andrus Adamchik <andrus@objectstyle.org>
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 <CAMHEFDg_J8SYHgd322SkRArxz2T7YHM9p5p9hz4i6CAzjDsbPg@mail.gmail.com>
Date: Fri, 3 Aug 2012 17:42:17 +0300
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 <CAMHEFDg_J8SYHgd322SkRArxz2T7YHM9p5p9hz4i6CAzjDsbPg@mail.gmail.com>
To: user@cayenne.apache.org

Hi there,

So per http://cayenne.apache.org/doc/caching-and-fresh-data.html we have =
object cache and query cache. We are planning to align the two at some =
point with common config and management facilities. As of now =
object-level cache is not "managed". So you can't expire things from it, =
only refresh explicitly.=20

However there's query cache that can be fully managed, and maybe that's =
what you want. So whenever you need a group of objects, you just run a =
query with a certain cache group and cache policy. Depending in the =
cache configuration, it will either be immediately returned from cache, =
or refetched. And a refetch would update the object cache as a side =
effect. Personally with query cache I barely ever look back at the =
object cache.=20

Andrus

On Aug 3, 2012, at 5:12 PM, Atli P=E1ll Hafsteinsson wrote:

> Hi
>=20
> I have two separate cayenne applications reading and writing to the
> same database. The object cache is not shared between those
> applications so when data is written to the db in one application it
> is not immediately reflected in the the other application. Can I turn
> of the cache (there is not that much traffic) or somehow set the
> expiration time to a few seconds?
>=20
> Regards,
> Atli P=E1ll Hafsteinsson
> atlipall@gmail.com
>=20