Hi Mikhail,

On Fri, Oct 5, 2012 at 7:15 AM, Mikhail Khludnev
<mkhlud...@griddynamics.com> wrote:
> okay. huge rows value is no.1 way to kill Lucene. It's not possible,
> absolutely. You need to rethink logic of your component. Check Solr's
> FieldCollapsing code, IIRC it makes second search to achieve similar goal.
> Also check PostFilter and DelegatingCollector classes, their approach can
> also be handy for your task.

This sounds like it could be a much saner way to handle the task,
however, I'm not sure what I should be looking at for the
'FieldCollapsing code' you mention - can you point me to a class?

Also, is there anything more you can say about PostFilter and
DelegatingCollector classes - I reviewed them but it was not obvious
to me what they were doing that would allow me to reduce the large
rows param we use to ensure all relevant docs are included in the
grouping and limiting occurs at the group level, rather than
pre-grouping...

Thanks again,
      Aaron

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