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From Anders Lybecker <and...@lybecker.com>
Subject Re: Lucene.Net 2.9 Uses Single Processor under Stress
Date Thu, 20 Jan 2011 07:20:28 GMT
Hi,

Do you open the IndexReader/IndexSearcher in readonly mode?

:-)
Anders

On Wed, Jan 19, 2011 at 10:15 PM, Frank Yu <frank.yu@farpoint.com> wrote:

> Hi All,
>
> I met a strange situation that the Lucene.Net used only 1 processor on a
> quad dual-core processors machine when the search load exceeded a certain
> threshold (i.e., 35 searches per second). It took a few minutes before the
> load got distributed over all processors. When the load was below the
> threshold (i.e., 20 searches per second), all processors got used evenly.
>
> The used Lucene.net is v2.9 and the index size is about 4GB with 15
> millions
> of documents. There was no index update and the load was search only
> without
> any index update.
>
> Has anyone seen this kind of behavior before?
>
> Thanks a lot,
>
> Frank
>
>
>

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