> What did you do in your private
investigation?
1. empirical tests with an index of nearly 75,000 docs (I am attaching the test source)
1. empirical tests with an index of nearly 75,000 docs (I am attaching the test source)
2. reviewing and tracing the source code of
Lucene
(I do not claim I have gained a deep understanding
of it ;-)
> Sorted by descending relevance (the default),
or in some other way?
In some other way - sorted by some column (asc or desc - doesn't matter)
In some other way - sorted by some column (asc or desc - doesn't matter)
> If a search is fast enough, as you report,
then you can simply start
> your access to Hits at the appropriate spot. For the current systems
> I'm working on, this is the approach I've used - start iterating hits
> at (pageNumber - 1) * numberOfItemsPerPage.
>
> Is that approach insufficient?
> your access to Hits at the appropriate spot. For the current systems
> I'm working on, this is the approach I've used - start iterating hits
> at (pageNumber - 1) * numberOfItemsPerPage.
>
> Is that approach insufficient?
I'm afraid this is not sufficient;
Either I am doing something wrong,
or it is not that simple:
following is a log from my test
session;
It appears that IndexSearcher.search(...) finishes
rather fast
compared to the time it takes to fetch the last
document from the Hits object.
The log starts here:
pa
Found 74222 document(s) that matched query 'pa'
Sorting by "sfile_name"
query executed in 16ms
Last doc accessed in 375ms
us
Found 74222 document(s) that matched query 'us'
Sorting by "sfile_name"
query executed in 31ms
Last doc accessed in 219ms
1
Found 74222 document(s) that matched query '1'
Sorting by "sfile_name"
query executed in 15ms
Last doc accessed in 235ms
5
Found 74222 document(s) that matched query '5'
Sorting by "sfile_name"
query executed in 422ms
Last doc accessed in 219ms
6
Found 72759 document(s) that matched query '6'
Sorting by "sfile_name"
query executed in 344ms
Last doc accessed in 250ms
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