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List:       lucene-user
Subject:    Re: Fast access to a random page of the search results.
From:       Volodymyr Bychkoviak <vbychkoviak () i-hypergrid ! com>
Date:       2005-02-28 14:04:22
Message-ID: 422324E6.2080302 () i-hypergrid ! com
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just retrieve Documents from 567100 to 567200 from Hits class you got 
while searching.

Stanislav Jordanov wrote:

>Guys,
>my private investigation already left me sceptic about the outcome of this
>issue,
>but I've decided to post it as a final resort.
>Perhaps the gurus know the right answer :-)
>
>Suppose I have an index of about 5,000,000 docs
>and I am running a single term queries against it, including queries which
>return say 1,000,000 or even more hits.
>
>The hits are sorted by some column and I am happy with the query execution
>time (i.e. the time spent in the IndexSearcher.query(...) method).
>Now comes the problem: it is a product requirement that the client is
>allowed to quickly access (by scrolling) a random page of the result set.
>Put in different words the app must quickly (in less that a second) respond
>to requests like: "Give me the results from No 567100 to No 567200"
>(remember the results are sorted thus ordered).
>I took a look at Lucene's internals which only left me with the suspision
>that this is an impossible task.
>Would anyone, please, prove my suspision wrong?
>
>Regards
>Stanislav
>
>
>
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