So you mean instead of doing observation, doing a query periodically?
This would mean that we basically say, one of the main features of JCR,
observation, is not usable.

Carsten


2013/10/23 Bertrand Delacretaz <bdelacre...@apache.org>

> Hi,
>
> On Tue, Oct 22, 2013 at 5:48 PM, Carsten Ziegeler <cziege...@apache.org>
> wrote:
> > ...The mapping handler in the resource resolver is probably the most
> > interesting one as it changes for nodes with some well defined
> properties,
> > basically scanning the whole repository...
>
> This is one example where latency is not a problem, so periodic
> queries could be used instead of observation if that's more scalable.
> We're basically interested in whether anything changed in the results
> of a query since we last ran it, a pattern which might be optimized in
> Oak by taking advantage of the underlying MVCC storage.
>
> -Bertrand
>



-- 
Carsten Ziegeler
cziege...@apache.org

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