On 9/27/06, Vish D. <[EMAIL PROTECTED]> wrote:
I just noticed that link on the first reply from Yonik about
FederatedSearch. I see that a lot of thought went in to it. I guess the
question to ask would be, any progress on it, Yonik? :)

No code, but great progress at shooting holes in various strategies ;-)

I'm currently thinking about doing federated search at a higher level,
with slightly modified standard request handlers, and another
top-level request handler that can combine requests.  The biggest
downside: no custom query handlers.

The other option: do federated search like a lucene MultiSearcher...
(a federated version of the SolrIndexSearcher).  The downside is that
existing interfaces would not be usable... we can't be shipping tons
of BitDocSets across the network.  Things like highlighting, federated
search, etc, would need to be pushed down into this interface.  New
interfaces means lots of changes to request handler code.  Upside
would be that custom request handlers would still work and be
automatically parallelized.

Anyone have any thoughts on this stuff?
http://wiki.apache.org/solr/FederatedSearch

-Yonik

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