Vitaly
Thanks for the contribution. Unfortunately, we cannot use Lucene's
pagination function, because in reality the user can skip pages to start
the search at any point, not just from the end of the previous search.
Even the
first search (without any pagination), with a max of 1000 hits, takes 5
minutes to complete.
Regards
Jamie
On 2014/06/03, 10:54 AM, Vitaly Funstein wrote:
Something doesn't quite add up.
TopFieldCollector fieldCollector = TopFieldCollector.create(sort, max,true,
false, false, true);
We use pagination, so only returning 1000 documents or so at a time.
You say you are using pagination, yet the API you are using to create your
collector isn't how you would utilize Lucene's built-in "pagination"
feature (unless misunderstand the API). If the max is the snippet above is
1000, then you're simply returning top 1000 docs every time you execute
your search. Otherwise... well, could you actually post a bit more of your
code that runs the search here, in particular?
Assuming that the max is much larger than 1000, however, you could call
fieldCollector.topDocs(int, int) after accumulating hits using this
collector, but this won't work multiple times per query execution,
according to the javadoc. So you either have to re-execute the full search,
and then get the next chunk of ScoreDocs, or use the proper API for this,
one that accepts as a parameter the end of the previous page of results,
i.e. IndexSearcher.searchAfter(ScoreDoc, ...)
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