Re: why lucene loads field value for every doc (not only the matched docs) when doing sort?

[Ian Lea <ia...@gmail.com>]

For performance. There is a one-off initial hit then things get quick.

--
Ian.


On Wed, Jun 9, 2010 at 4:46 PM, fujian <fu...@nokia.com> wrote:
>
>
> Hello,
>
> I'm using lucene 2.9.0 and ran into OutOfMemory error when doing a search
> with sort on a big index. After a bit research, I found that when doing sort
> lucene loads the field value for all docs in the index into memory, not the
> matched ones only.
>
> Just wondering why this? maybe for the performance? Is there a way to avoid
> this? I mean maybe lucene should give users another option not to load
> values for all docs.
>
> Thanks,
> -Fujian
> --
> View this message in context: http://lucene.472066.n3.nabble.com/why-lucene-loads-field-value-for-every-doc-not-only-the-matched-docs-when-doing-sort-tp882598p882598.html
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