27 apr 2006 kl. 23.39 skrev Jean Sini:
>> 27 apr 2006 kl. 20.44 skrev Jean Sini:
>>> Our application presents search results in a
paginated form.
>>>
>>> We were unable to find Searcher methods that
would return, say, 'n'
>>> (typically, 10) hits after a start offset
'k'.
>>>
>>> So we're currently using the Hits collection
returned by
>>> Searcher.search and using its Hits.doc(i)
method to get the hit
>>
>> You probably want to do it just the way you do.
>>
>> But cache the Hits somehow.
> One of the trade-offs we are considering, along the
lines of what you
> mentioned, has to do with whether or not to cache the
Hits. The
> benefit
> being that we'd avoid re-running the search if
requests for hits
> past the
> first page do come in, the cost being that we'd have
to keep around
> all the
> hits, that are unlikely to be requested.
Have you done any tests to compare? In one case I keep about
20 000
Hits (10 minutes) in cache until it is flushed. About 60% of
the
results are fetched from the cache. The processor goes from
10% to
80% idle. It consumes virtually no memory.
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