On Tue, Aug 25, 2015 at 2:03 PM, Jamie Johnson <jej2...@gmail.com> wrote:

> Thanks Mikhail.  If I'm reading the SimpleFacets class correctly, out
> delegates to DocValuesFacets when facet method is FC, what used to be
> FieldCache I believe.  DocValuesFacets either uses DocValues or builds then
> using the UninvertingReader.
>

Ah.. got it. Thanks for reminding this details.It seems like even
docValues=true doesn't help with your custom implementation.


>
> I am not seeing a clean extension point to add a custom UninvertingReader
> to Solr, would the only way be to copy the FacetComponent and SimpleFacets
> and modify as needed?
>
Sadly, yes. There is no proper extension point. Also, consider overriding
SolrIndexSearcher.wrapReader(SolrCore, DirectoryReader) where the
particular UninvertingReader is created, there you can pass the own one,
which refers to custom FieldCache.


> On Aug 25, 2015 12:42 AM, "Mikhail Khludnev" <mkhlud...@griddynamics.com>
> wrote:
>
> > Hello Jamie,
> > I don't understand how it could choose DocValuesFacets (it occurs on
> > docValues=true) field, but then switches to UninvertingReader/FieldCache
> > which means docValues=false. If you can provide more details it would be
> > great.
> > Beside of that, I suppose you can only implement and inject your own
> > UninvertingReader, I don't think there is an extension point for this.
> It's
> > too specific requirement.
> >
> > On Tue, Aug 25, 2015 at 3:50 AM, Jamie Johnson <jej2...@gmail.com>
> wrote:
> >
> > > as mentioned in a previous email I have a need to provide security
> > controls
> > > at the term level.  I know that Lucene/Solr doesn't support this so I
> had
> > > baked something onto a 4.x baseline that was sufficient for my use
> cases.
> > > I am now looking to move that implementation to 5.x and am running into
> > an
> > > issue around faceting.  Previously we were able to provide a custom
> cache
> > > implementation that would create separate cache entries given a
> > particular
> > > set of security controls, but in Solr 5 some faceting is delegated to
> > > DocValuesFacets which delegates to UninvertingReader in my case (we are
> > not
> > > storing DocValues).  The issue I am running into is that before 5.x I
> had
> > > the ability to influence the FieldCache that was used at the Solr level
> > to
> > > also include a security token into the key so each cache entry was
> scoped
> > > to a particular level.  With the current implementation the FieldCache
> > > seems to be an internal detail that I can't influence in anyway.  Is
> this
> > > correct?  I had noticed this Jira ticket
> > > https://issues.apache.org/jira/browse/LUCENE-5427, is there any
> movement
> > > on
> > > this?  Is there another way to influence the information that is put
> into
> > > these caches?  As always thanks in advance for any suggestions.
> > >
> > > -Jamie
> > >
> >
> >
> >
> > --
> > 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>

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