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From: Joel Bernstein <joelsolr@gmail.com>
Date: Tue, 19 Sep 2017 22:06:58 -0400
Message-ID: <CAE4tqLO=aTM-Gxg_HLyeBTHX-09zL22SwKmP+dx6dC6KLG9Waw@mail.gmail.com>
Subject: Re: Solr Streaming Question
To: solr-user@lucene.apache.org
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archived-at: Wed, 20 Sep 2017 02:07:07 -0000

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Also random() will work with any type of field. Only the /export handler
limits the field list to docValues.

Each time you call random() it will give you a different random sample.

Joel Bernstein
http://joelsolr.blogspot.com/

On Tue, Sep 19, 2017 at 10:04 PM, Joel Bernstein <joelsolr@gmail.com> wrote:

> Try this construct:
>
> update(list(random(...), random(...), random(...)))
>
>
>
>
>
>
>
> Joel Bernstein
> http://joelsolr.blogspot.com/
>
> On Tue, Sep 19, 2017 at 9:02 PM, Susheel Kumar <susheel2777@gmail.com>
> wrote:
>
>> You can follow the sectionCreating an Alert With the Topic Streaming
>> Expression" at http://joelsolr.blogspot.com/  and use random function for
>> getting random records and schedule using daemon function to retrieve
>> periodically etc.
>>
>> Thanks,
>> Susheel
>>
>>
>>
>> On Tue, Sep 19, 2017 at 4:56 PM, Erick Erickson <erickerickson@gmail.com>
>> wrote:
>>
>> > Webster:
>> >
>> > I think you're looking for UpdateStream. Unfortunately the fix version
>> > wasn't entered so you'll have to look at your particular version but
>> > going strictly from the dates it appears in 6.0.
>> >
>> > David:
>> >
>> > Stored is irrelevant. Streaming only works with docValues="true"
>> > fields and moves the docValues content over.
>> >
>> > Best,
>> > Erick
>> >
>> > On Tue, Sep 19, 2017 at 12:39 PM, David Hastings
>> > <hastings.recursive@gmail.com> wrote:
>> > > I am also curious about this, specifically about indexed/non stored
>> > fields.
>> > >
>> > > On Tue, Sep 19, 2017 at 3:33 PM, Webster Homer <
>> webster.homer@sial.com>
>> > > wrote:
>> > >
>> > >> Is it possible to use the streaming API to stream documents from a
>> > >> collection and load them into a new collection? I was thinking that
>> this
>> > >> would be a great way to get a random sample of data from our main
>> > >> collections to developer machines. Making it a random sample would be
>> > >> useful as well. This looks feasible, but I've only scratched the
>> > surface of
>> > >> streaming Solr
>> > >>
>> > >> Thanks
>> > >>
>> > >> --
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