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From Shawn Heisey <s...@elyograg.org>
Subject Re: Sort-field for ALL docs in FieldCache for sort queries -> OOM on lots of docs
Date Fri, 22 Mar 2013 15:15:12 GMT
On 3/22/2013 8:54 AM, Per Steffensen wrote:
> Me too. I will find out soon - I hope! But re-indexing is kinda a
> problem for us, but we will figure out.
> Any "guide to re-index all you stuff" anywhere, so I do it the easiest
> way? Guess maybe there are some nice tricks about steaming data directly
> from one Solr running the old index into a new Solr running the new
> index, and then discard the old index afterwards?

There is no guide to reindexing, because there are so many ways to
index.  The basic procedure is to repeat whatever you did the first
time, possibly deleting the entire index first.  Because Lucene and Solr
indexes often require changes to deal with changing requirements, the
full index procedure should be automated and repeatable.

The dataimport handler has a SolrEntityProcessor that can index from
another Solr instance.  All fields must be stored for this to work,
because it just retrieves documents and ignores the search index.  Many
people (including myself) do not store all fields, in an attempt to keep
the index size down.

Thanks,
Shawn


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