Hi Markus,

Thanks for the quick and thorough answer. I did read that all the fields
need to be stored for that yes, so i agree that in many cases this is not
really the preferred solution. I am thinking about setting up a separate
core in Solr with only a handful of fields and even less fields which would
need the update/add to multivalue functionality. But you have given me food
for thought ... i will sleep on it a little and see in the morning if there
are possibly other ways to get to what i have in mind or to invest some
time to implement and test.

Thanks again!
Erik



On Mon, Nov 11, 2013 at 11:40 PM, Markus Jelsma
<[email protected]>wrote:

> Hi Erik,
>
> That's pretty straightforward to implement. I did it for our site search
> platform to ease on transport costs, Lucene analysis and I/O in general.
> But it was quite useless when i found out i didn't read the docs that well
> and had to mark every field as stored. Solr needs every field to be stored
> so it can reinsert the document with only the updated fields.
>
> This means we would have to store a lot of data in Lucene that we don't
> have to now. Saving on transport and other things, in our case, didn't
> justify storing every field.
>
> You may want to reconsider doing partial updates. But if you still need
> them and are capable with Java, SolrJ and Nutch' SolrWriter, you can make
> it happen in a few hours.
>
> Cheers
>
> -----Original message-----
> From: erik rombouts<[email protected]>
> Sent: Monday 11th November 2013 23:16
> To: [email protected]
> Subject: Partial document update Solr
>
> Hi all,
>
> I found the following message on the dev mailinglist -
> http://www.mail-archive.com/[email protected]/msg10843.html <
> http://www.mail-archive.com/[email protected]/msg10843.html> - with
> a "patch" to allow Solr partial document updates via SolrWriter. There was
> a request from Julien to add this to JIRA but i cannot seem to find it.
> Does anybody know if this ever end up in JIRA, via the original poster or
> otherwise?
>
> And as a second question, since i am investigating the possibilities, is
> the Solr partial update functionality something to be used by/added to
> Nutch?
>
> Thanks in advance for any guidance :)
>
> With best regards,
>
> Erik Rombouts
>
>
>

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