John & other listers,

Have any of you experienced performance improvements to midtier by upgrading to 
Java 7 update 4 with the option: -XX:+UseG1GC

Regards,
 
Andrew C. Goodall
Software Engineer
Development Services
ago...@jcpenney.com
T 972.431.1518
F 972.431.1027
jcpenney
6501 Legacy Drive
Plano, TX 75024
jcp.com


-----Original Message-----
From: Action Request System discussion list(ARSList) 
[mailto:arslist@ARSLIST.ORG] On Behalf Of John Baker
Sent: Friday, May 18, 2012 6:09 AM
To: arslist@ARSLIST.ORG
Subject: Potential improvement to Mid Tier memory management

Hello,

Oracle have recently released Java 7 update 4. The release notes claim
their new Garbage Collector (Garbage First, G1) is fully supported and
the long term replacement for the legacy Java GC. Oracle tout this as a
much better solution for server side applications with large data sets,
ie Mid Tier caching ITSM workflow.

So for those of you running huge heap sizes on Mid Tier, you may want to
evaluate Java 7u4 and the new GC. You can find the Java options here:

http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html#G1Options

ie -XX:+UseG1GC


John
-- 
SSO Plugin for HP, BMC, SAP and more.
http://www.javasystemsolutions.com/jss/ssoplugin

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