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From Lon Varscsak <lon.varsc...@gmail.com>
Subject Re: Cache Groups
Date Wed, 08 Nov 2017 17:23:11 GMT
Yeah, I’m not syncing between contexts (as much as I’d like to :P)…this is
about query caches.

On Wed, Nov 8, 2017 at 3:56 AM, Musall, Maik <maik@selbstdenker.ag> wrote:

> Hi Lon,
>
> have you read this? https://cayenne.apache.org/docs/4.0/cayenne-guide/
> performance-tuning.html#turning-off-synchronization-of-objectcontexts <
> https://cayenne.apache.org/docs/4.0/cayenne-guide/performance-tuning.html#
> turning-off-synchronization-of-objectcontexts>
>
> I added this module to my server runtime builder (stripped down to the
> relevant bit for this discussion):
>
> Module cachePropertiesModule = new Module() {
>         @Override
>         public void configure( Binder binder ) {
>                 MapBuilder<String> props = binder.bindMap( String.class,
> Constants.PROPERTIES_MAP );
>                 props.put( Constants.SERVER_CONTEXTS_SYNC_PROPERTY,
> "false" );
>         }
> };
>
> Maik
>
>
> > Am 08.11.2017 um 01:40 schrieb Lon Varscsak <lon.varscsak@gmail.com>:
> >
> > Hey all,
> >
> > I’ve been using cache groups to do refreshing of object lists and it
> > occurred to me today that this refresh is across all object contexts in
> my
> > application.  So if User A has a list of orders for their account and
> that
> > is cached with the group “orderHistory” and User B also has a list of
> > orders in “orderHistory”, running a refresh query will result in ALL
> users
> > refreshing their orderHistory caches.
> >
> > I’m not sure that this is what I want.  How have you solved this
> > situation?  Do you care? :P  I was thinking about doing something like
> > WEB_SESSION_ID+cacheGroup…maybe this has some downsides I’m unaware of.
> >
> > Any feedback is appreciated.
> >
> > -Lon
>
>

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