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From Alexey Serba <>
Subject Re: Performance issues when querying on large documents
Date Fri, 23 Jul 2010 22:24:24 GMT
Do you use highlighting? ( )

Try to disable it and compare performance.

On Fri, Jul 23, 2010 at 10:52 PM, ahammad <> wrote:
> Hello,
> I have an index with lots of different types of documents. One of those
> types basically contains extracts of PDF docs. Some of those PDFs can have
> 1000+ pages, so there would be a lot of stuff to search through.
> I am experiencing really terrible performance when querying. My whole index
> has about 270k documents, but less than 1000 of those are the PDF extracts.
> The slow querying occurs when I search only on those PDF extracts (by
> specifying filters), and return 100 results. The 100 results definitely adds
> to the issue, but even cutting that down can be slow.
> Is there a way to improve querying with such large results? To give an idea,
> querying for a single word can take a little over a minute, which isn't
> really viable for an application that revolves around searching. For now, I
> have limited the results to 20, which makes the query execute in roughly
> 10-15 seconds. However, I would like to have the option of returning 100
> results.
> Thanks a lot.
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