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From Simon Willnauer <>
Subject Re: Lucene search -- Concurrent users issue.. If more than 300 users are using at a time search results are getting delayed
Date Wed, 12 Oct 2011 07:16:28 GMT

concurrency should not be an issue for lucene. Can you provide some
more information on what you are doing?
1 to 2 seconds sounds very very long for a single user. Are you doing
something like opening the indexreader for each request?
I'd also be interested in what kind of queries you are executing and
how many documents you have in your index....
Eventually it'd be interesting what hardware you are  using.


On Wed, Oct 12, 2011 at 6:33 AM, salma begumshaik
<> wrote:
> Hi
> I am using lucene-core-3.0.3.jar for searching. I have implemented the code
> as exactly mentioned in
> I am using Tika0.9.jar to index the web pages.
> For one user it is working perfectly and getting results within 1to 2 secs.
> but when concurrent users for ex 350 users are using the search, results are
> getting delayed and it is taking more than 36 seconds.
> 1) Is there any possible way to handle concurrency issue.
> 2) Is there any configuration to mention concurrent users.
> Thanks in advance
> Salma.
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