To address your hits question: I wouldn't keep hits around, but would re-search instead. It is often more of a headache than a time savings to keep around all of the Hits objects and to have to manage them. I made my own Hits object that does no caching because of this. Pagination is often best done by re-querying.

Also, keep in mind that you prob won't have 1000 Similarities...you will prob have much closer to 1 <g>, maybe a couple if you have created a custom one. The biggest chance you have more than one Searcher cached for an Index is if you have a MultiSearcher cached that searches over it. Out of the box, indexAccessor does not handle MultiSearchers perfectly though...it does not check out a Searcher for each of the underlying Indexes, so you will have to do that your self...then remember to release them all when you release the MultiSearcher.

I think in general, you are over concerned. IndexAccessor will handle most of this for you without much intervention on your part.

- Mark

Mohammad Norouzi wrote:
Hello Mark,
there is something vague for me about the Lucene-indexAccessor you created
and my problem.
as I see your codes, you create IndexSearcher and put it into a Map and the
only thing that separate them is the Similarity the have. so if say 1000
users with different Similarity connect to my application there will be 1000
IndexSearcher with their own internal Reader.
now, in my case, I have an IndexResultSet just like java.sql.ResultSet which it contains a Hits. so a user may go forward or backward through the Hits'
documents and actually every user are doing this job.

to do so, I have to find the Similarity that a user working with it and find
the right IndexSearcher in order to support pagination for her. is this
right? I mean can I trust to Similarity to find the right IndexReader that a
user have used it before?

another question is, how about I have one IndexReader for all my
IndexSearcher and manage them simultaneously to access that single Reader.?

thank you very much in advance


On 2/22/07, Mark Miller <[EMAIL PROTECTED]> wrote:

I would not do this from scratch...if you are interested in Solr go that
route else I would build off
http://issues.apache.org/jira/browse/LUCENE-390

- Mark

Mohammad Norouzi wrote:
> Hi all,
> I am going to build a Searcher pooling. if any one has experience on
> this, I
> would be glad to hear his/her recommendation and suggestion. I want to
> know
> what issues I should be apply. considering I am going to use this on a
> web
> application with many user sessions.
>
> thank you very much in advance.

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