On 25/09/2012 20:09, Uwe Schindler wrote:
Hi,

Without a full output of "free -h" we cannot say anything. But the total Linux 
memory use should always used by 100% on a good server otherwise it's useless (because 
full memory includes cache usage, too). I think, -Xmx may be too less for your Java 
deployment? We have no information about the size of your installation.

If "top" reports too much residential memory for the Java VM process then there might be 
something wrong, and then we would need "pmap <pid>" of the java process.

Uwe

Hi , I was a bit misinformed, having read your excellant article http://blog.thetaphi.de/2012/07/use-lucenes-mmapdirectory-on-64bit.html and a bit more analysis I dont think there is a memory issue, rather a cpu issue. The service talking to server is timing out getting connections, so maybe I have a problem with release IndexSearchers or something, anyway trying to get a stack dump done

Paul

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