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From Kelvin Tan <kelvin-li...@relevanz.com>
Subject Re: lucene docs in bulk read?
Date Tue, 01 Feb 2005 14:11:18 GMT
Hi Chris, are your fields string or reader? How large do your fields get?

Kelvin

On Tue, 1 Feb 2005 01:40:39 -0800, Chris Fraschetti wrote:
> Hey folks.. thanks in advance to any who respond...
>
> I do a good deal of post-search processing and the file io to read
> the fields I need becomes horribly costly and is definitely a
> problem. Is there any way to either retrieve 1. the entire doc (all
> fields that can be retrieved) and/or 2. a group of docs.. specified
> by say an array of doc ids?
>
> I've optimized to retrieve the entire list of fields instead of 1
> by 1.. and also retrieve only the minimal number of fields that I
> can.. but still my profilers show me that the lucene io to read the
> doc fields is where I spend 95% of my time. Of course this is
> obvious given the nature of how it all works.. but can anyone think
> of a better way to go about retrieving docs in bulk? Are the
> different types of fields quicker/slower than others when
> retrieving them from the index?



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