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From Erick Erickson <erickerick...@gmail.com>
Subject Re: How to reindex in solr
Date Mon, 05 Dec 2011 13:46:32 GMT
> Is there a formal manner to transfer the data to a database or file-format> from which
it can be reloaded?>> I would say an export to a CSV file (which could become huge)
and the reload> it from that?
Not quite sure what you mean by that. The data is not *in* the
solr index if it's not stored, so if you're talking about exporting
from Solr, this won't work either.

Solr presumes that the system-of-record is somewhere
else, it was never intended as a raw data store. You could
store all your fields to accomplish this, but then you have
to be very, very, very sure your index is preserved
appropriately.

Otherwise, you could store Solr documents on disk. You could
put it in an RDBMS. You could....

Best
Erick


On Sat, Dec 3, 2011 at 6:06 AM, RT <rwatollenaar@gmail.com> wrote:
> Hi,
>
> production servers these indexing is getting failed because of the out of
>>>
>>> memory swap space. Please suggest some good method to reindex using
>>> lucene
>>> indexes with even stored=false.
>>
>>
>> It is not possible to reindex fields which were not stored. You will
>> need to go back to the original data source.
>
>
> This is a major contraint in some cases. In my case a lot of the data is
> user-generated and does not have another source to index from.
>
> Is there a formal manner to transfer the data to a database or file-format
> from which it can be reloaded?
>
> I would say an export to a CSV file (which could become huge) and the reload
> it from that?
>
> Roalnd
>
>

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