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From Michael McCandless <luc...@mikemccandless.com>
Subject Re: question about SearcherManager in version 3.5.0
Date Sat, 07 Jan 2012 17:58:17 GMT
These blog posts may also help describe SearcherManager and NRTManager:

    http://blog.mikemccandless.com/2011/09/lucenes-searchermanager-simplifies.html
    http://blog.mikemccandless.com/2011/11/near-real-time-readers-with-lucenes.html

Mike McCandless

http://blog.mikemccandless.com

On Sat, Jan 7, 2012 at 12:15 PM, Greg Steffensen
<greg.steffensen@gmail.com> wrote:
> You only need one SearcherManager instance for every IndexWriter you have
> open (basically, one for your application).  The SearcherManager class is
> thread-safe- that's the point- so all threads can retrieve their
> IndexSearchers from it without any additional synchronization in your code.
>  So you can use it as a singleton if you'd like (although singletons in
> general are often a bad idea, for reasons that have nothing to do with
> Lucene).
>
> On Fri, Jan 6, 2012 at 10:44 PM, chenhan <chenhan727@gmail.com> wrote:
>
>> hi,
>> i'm writing a normal web-search application with lucene 3.5.0. in version
>> 3.5.0 lucene provides SearcherManager to manage multithreaded searching.
>> but i don't know how to use this class. should i use it as singleton, or
>> should i initialize an instance for each searching?
>>
>> expect for your reply! thank you!
>>
>> --
>> chenhan
>> Sent with Sparrow
>>

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