And don't forget to test with sortable DocValues. I mean, sorting (and faceting) was one of the main motivations for DocValues.

-- Jack Krupansky

-----Original Message----- From: Otis Gospodnetic
Sent: Friday, July 05, 2013 3:42 PM
To: solr-user@lucene.apache.org
Subject: Re: Sorting

Hi Kowish,

Here is an easy way to find out:
1 use copyField to copy from string to tlong
2 use ab or JMeter to hammer Solr while sorting on one or the other
field (separate runs)
3 compare :)

Since you have SLAs, I'm assuming you already have 2 and 3 in place.

Otis
--
Solr & ElasticSearch Support -- http://sematext.com/
Performance Monitoring -- http://sematext.com/spm



On Fri, Jul 5, 2013 at 10:42 AM, kowish.adamosh
<kowish.adam...@gmail.com> wrote:
Hi,

What should be faster: sorting by field of type string (solr.StrField) or
long (solr.TrieLongField).
In both cases values are numbers so I can decide what type of field to use. Is it possible to speed up sorting by unique field? With sorting my queries
are 10-100 times slower and I can't meet SLA with sorting ...

Kowish



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