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From Paul Libbrecht <>
Subject Re: q.alt=*:* for every request?
Date Tue, 08 Feb 2011 07:28:12 GMT
To be able to "see" this well, it would be lovely to have a switch that would activate a logging
of the query expansion result. The Dismax QParserPlugin is particularly powerful in there
so it'd be nice to see what's happening.

Any logging category I need to activate?


Le 8 févr. 2011 à 03:22, Markus Jelsma a écrit :

> There is no measurable performance penalty when setting the parameter, except 
> maybe the execution of the query with a high value for rows. To make things 
> easy, you can define q.alt=*:* as default in your request handler. No need to 
> specifiy it in the URL.
>> Hi,
>> I use dismax handler with solr 1.4.
>> Sometimes, my request comes with q and fq, and others doesn't come with q
>> (only fq and q.alt=*:*). It's quite ok if I send q.alt=*:* for every
>> request? Does it have side effects on performance?

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