Sure: We're boosting search results based on user actions which could be
e.g. the number of times a particular document has been read. In future,
we'd also like to boost by e.g. impressions (the number of times a document
has been displayed) and other values.

/Martin

On Mon, Oct 8, 2012 at 7:02 PM, Mikhail Khludnev <mkhlud...@griddynamics.com
> wrote:

> Martin,
>
> Can you tell me what's the content of that field, and how it should affect
> search result?
>
> On Mon, Oct 8, 2012 at 12:55 PM, Martin Koch <m...@issuu.com> wrote:
>
> > Hi List
> >
> > We're using Solr-4.0.0-Beta with a 7M document index running on a single
> > host with 16 shards. We'd like to use an ExternalFileField to hold a
> value
> > that changes often. However, we've discovered that the file is apparently
> > re-read by every shard/core on *every commit*; the index is unresponsive
> in
> > this period (around 20s on the host we're running on). This is
> unacceptable
> > for our needs. In the future, we'd like to add other values as
> > ExternalFileFields, and this will make the problem worse.
> >
> > It would be better if the external file were instead read in in the
> > background, updating previously read relevant values for each shard as
> they
> > are read in.
> >
> > I guess a change in the ExternalFileField code would be required to
> achieve
> > this, but I have no experience here, so suggestions are very welcome.
> >
> > Thanks,
> > /Martin Koch - Issuu - Senior Systems Architect.
> >
>
>
>
> --
> Sincerely yours
> Mikhail Khludnev
> Tech Lead
> Grid Dynamics
>
> <http://www.griddynamics.com>
>  <mkhlud...@griddynamics.com>
>

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