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From Otis Gospodnetic <otis_gospodne...@yahoo.com>
Subject Re: Multithread searching problem on Linux
Date Tue, 01 Oct 2002 16:25:17 GMT
Thursday? :)

I haven't encountered this with Lucene, but I have seen it with a
number of other applications.
These are JVM problems.

Try IBM's 1.3.1 JVM for Linux, or the recently released JRockit 7.0.

Otis


--- Stas Chetvertkov <schetvertkov@oilspace.com> wrote:
> Hi All,
> 
> I am building a search engine based on Lucene. Recently I created a
> test
> simulating multiple users searching in the same index simultaneously
> and
> found out that quite often JVM crashes with 'Hotspot Virtual Machine
> Error :
> 11'. I couldnot reproduce this bug on Windows box, but observed it a
> lot on
> Red Hat Linux 7.3 with different versions of Sun's 1.3 JVM, including
> the
> most recent one (1.3.1_04 at the moment).
> 
> I am attaching a simple test that generates hotspot error in 90% of
> cases.
> In our code we have to create new IndexSearcher for every search
> because
> indices are updated in real time.
> 
> The only workaround I found for this problem so far is reducing the
> number
> of searching threads which doesnot seem to be a good solution.
> 
> Had anyone encountered problems like this one?
> 
> Regards,
> Stas.
> 

> ATTACHMENT part 2 application/octet-stream name=SearchTest.java
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