[InterMine Dev] Javac 1.6

Richard Smith richard at flymine.org
Wed Nov 25 11:11:29 GMT 2009

I've been running InterMine for few days on a Snow Leopard mac with
Java 1.6 and haven't had any problems.  I think Matthew is right that
the change to a 64bit JVM just means that the process requires more

But it shouldn't need very much at all when running build-db.
Incidentally, the -XX:MaxPermSize=1024M is higher than we would normally
use, we usually have it set to 256M or 512M.


Richard Smith wrote:
> Hi Andrew,
> I have Snow Leopard on a new machine that I haven't set InterMine up on 
> yet, I'l try
> to do this soon and let you know.
> Richard.
> Matthew Wakeling wrote:
>> On Tue, 10 Nov 2009, Vallejos, Andrew wrote:
>>> $ echo $ANT_OPTS
>>> -server -XX:MaxPermSize=1024M -Xmx2048M -XX:+UseParallelGC -Xms2048M 
>>> -XX:SoftRefLRUPolicyMSPerMB=1 -XX:MaxHeapFreeRatio=99
>>> Pretty much inline with what the docs recommend.
>> One possibility is that your Java 1.6 is 64-bit while your Java 1.5 is 
>> 32-bit. That would make it require more memory, possibly as much as 
>> double. If there is enough RAM available in the machine, try changing 
>> the "-Xmx2048M" option to "-Xmx4000M". If that works, then this may be 
>> the issue.
>> Matthew
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