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https://issues.apache.org/jira/browse/LUCENE-2837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12976032#action_12976032
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Robert Muir commented on LUCENE-2837:
-------------------------------------
{quote}
OK so we have to fix the multi-threaded bug in FC first and then I think commit
the newSearcher cutover from LUCENE-2751, then commit this issue.
{quote}
Well, you don't have to do all of that (you could commit this one, then chase
down all the bugs). I was just warning you
so you don't get surprised.
> Collapse Searcher/Searchable/IndexSearcher; remove contrib/remote; merge PMS
> into IndexSearcher
> -----------------------------------------------------------------------------------------------
>
> Key: LUCENE-2837
> URL: https://issues.apache.org/jira/browse/LUCENE-2837
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Search
> Reporter: Michael McCandless
> Fix For: 4.0
>
> Attachments: LUCENE-2837.patch
>
>
> We've discussed cleaning up our *Searcher stack for some time... I
> think we should try to do this before releasing 4.0.
> So I'm attaching an initial patch which:
> * Removes Searcher, Searchable, absorbing all their methods into
> IndexSearcher
> * Removes contrib/remote
> * Removes MultiSearcher
> * Absorbs ParallelMultiSearcher into IndexSearcher (ie you can now
> pass useThreads=true, or a custom ES to the ctor)
> The patch is rough -- I just ripped stuff out, did search/replace to
> IndexSearcher, etc. EG nothing is directly testing using threads with
> IndexSearcher, but before committing I think we should add a
> newSearcher to LuceneTestCase, which randomly chooses whether the
> searcher uses threads, and cutover tests to use this instead of making
> their own IndexSearcher.
> I think MultiSearcher has a useful purpose, but as it is today it's
> too low-level, eg it shouldn't be involved in rewriting queries: the
> Query.combine method is scary. Maybe in its place we make a higher
> level class, with limited API, that's able to federate search across
> multiple IndexSearchers? It'd also be able to optionally use thread
> per IndexSearcher.
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