Hello Upayavira,
It's a long month ago! I just described this approach in
http://blog.griddynamics.com/2015/08/scoring-join-party-in-solr-53.html
Coming back to our discussion I think I miss {!func} which turn fieldname
into function query.
On Fri, Jul 24, 2015 at 3:41 PM, Upayavira <u...@odoko.co.uk> wrote:
> Mikhail,
>
> I've tried this out, but to be honest I can't work out what the score=
> parameter is supposed to add.
>
> I assume that if I do {!join fromIndex=other from=other_key to=key
> score=max}somefield:(abc dev)
>
> It will calculate the score for each document that has the same "key"
> value, and include that in the score for the main document?
>
> If this is the case, then I should be able to do:
>
> {!join fromIndex=other from=other_key to=key score=max}{!boost
> b=my_boost_value_field}*:*
>
> In which case, it'll take the value of "my_boost_field" in the other
> core, and include it in the score for my document that has the value of
> "key"?
>
> Upayavira
>
> On Fri, Jul 10, 2015, at 04:15 PM, Mikhail Khludnev wrote:
> > I've heard that people use
> > https://issues.apache.org/jira/browse/SOLR-6234
> > for such purpose - adding scores from fast moving core to the bigger slow
> > moving one
> >
> > On Fri, Jul 10, 2015 at 4:54 PM, Upayavira <u...@odoko.co.uk> wrote:
> >
> > > All,
> > >
> > > I have knocked up what I think could be a really cool function query -
> > > it allows you to retrieve a value from another core (much like a pseudo
> > > join) and use that value during scoring (much like an
> > > ExternalFileField).
> > >
> > > Examples:
> > > * Selective boosting of documents based upon a category based value
> > > * boost on aggregated popularity values
> > > * boost on fast moving data on your slow moving index
> > >
> > > It *works* but it does so very slowly (on 3m docs, milliseconds
> without,
> > > and 24s with it). There are two things that happen a lot:
> > >
> > > * locate a document with unique ID value of X
> > > * retrieve the value of field Y for that doc
> > >
> > > What it seems to me now is that I need to implement a cache that will
> > > have a string value as the key and the (float) field value as the
> > > object, that is warmed alongside existing caches.
> > >
> > > Any pointers to examples of how I could do this, or other ways to do
> the
> > > conversion from a key value to a float value faster?
> > >
> > > NB. I hope to contribute this if I can make it perform.
> > >
> > > Thanks!
> > >
> > > Upayavira
> > >
> >
> >
> >
> > --
> > Sincerely yours
> > Mikhail Khludnev
> > Principal Engineer,
> > Grid Dynamics
> >
> > <http://www.griddynamics.com>
> > <mkhlud...@griddynamics.com>
>
--
Sincerely yours
Mikhail Khludnev
Principal Engineer,
Grid Dynamics
<http://www.griddynamics.com>
<mkhlud...@griddynamics.com>
