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From "Van Nguyen" <vngu...@ur.com>
Subject JAVA JVM Question
Date Wed, 20 Dec 2006 23:39:58 GMT
I have an index that's approximately 875MB.  I'm using JBoss Application
Server 4.04 w/ Apache HTTP Server 2.2.  My min/max JVM size is:
128MB/512MB.  On initial startup, everything works fine.  I'm able to
search (although it takes a while doing the first search because it's
loading the index into memory - because I'm sorting on a field)...
everything's fine and dandy.  But if I stop the application and
redeploy, I get an OutOfMemoryError when I search (when the index gets
loaded into memory again).  I've tried this on both Java 5 and Java 6.

 

When I stop the application, I made sure (or at least to the best of my
knowledge) that I close all searcher/reader/writer.  I'm pretty sure
that there are no locks on the index.  I've tried increasing the maximum
JVM size to 1GB.  Now I can redeploy the application twice before it
gives me the OutOfMemoryError.  It seems like the JVM isn't garbage
collecting the index.

 

So is this a JVM issue where the index is still in memory and it isn't
being garbage collected?  Or am I not closing my searcher/reader/writer
correctly?  Has anyone else experienced this?

 

Thanks,

 

Van


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