Mikhail,

Thanks for your reply.

Random field is based on index time.
We want to do sampling based on search result.

Like if the random field has value 1 - 100.
And the query touched documents may all in range 90 - 100.
So random field will not help.

Is it possible we can sampling based on search result?

Thanks,
Yongtao
-----Original Message-----
From: Mikhail Khludnev [mailto:m...@apache.org] 
Sent: Tuesday, September 27, 2016 11:16 AM
To: solr-user
Subject: Re: how to sampling search result

Perhaps, you can apply a filter on random field.

On Tue, Sep 27, 2016 at 5:57 PM, googoo <liu...@gmail.com> wrote:

> Hi,
>
> Is it possible I can sampling based on  "search result"?
> Like run query first, and search result return 1 million documents.
> With random sampling, 50% (500K) documents return for facet, and stats.
>
> The sampling need based on "search result".
>
> Thanks,
> Yongtao
>
>
>
> --
> View this message in context: http://lucene.472066.n3.
> nabble.com/how-to-sampling-search-result-tp4298269.html
> Sent from the Solr - User mailing list archive at Nabble.com.
>



-- 
Sincerely yours
Mikhail Khludnev

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