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>
