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From Erick Erickson <>
Subject Re: IndexSearcher Single Instance Bottleneck?
Date Thu, 10 Mar 2011 23:26:09 GMT
No, Lucene itself shouldn't be doing this, the recommendation is for multiple
threads to share a single searcher. I'd first look upstream, are your requests
being processed serially? I.e. is there a single thread that's
handling requests?


On Thu, Mar 10, 2011 at 4:25 PM, RobM <> wrote:
> I currently have two types of searches on my website that are using the same
> index and same instance of index searcher. One of the searches usually only
> takes 50 - 100 milliseconds but the second usually takes 2 seconds. It seems
> as though when someone does the second search and another user does the
> first search immediately after the first search will wait for the second to
> complete. Is that how Lucene works or am I just looking at my test wrong. If
> so how should i solve this issue? Two indexes or two index searchers?
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