[jboss-user] [Performance Tuning] - Options for CMS and G1 Collectors

[Carlos Oliva]

Carlos Oliva [https://community.jboss.org/people/ramboid] created the discussion

"Options for CMS and G1 Collectors"

To view the discussion, visit: https://community.jboss.org/message/722511#722511

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Could you recommend settings for these two collectors that come wiht the SUN JVM?  I would like to try these two collectors in my application running in JBoss1.5 and JDK1.6_30.  I have four processors and about 16GB of total RAM so I am allocating a max heap of about 6GB.

What would ther be the best settings to take advantage of the ergonomics of the JVM?  I am trying a few settings that minimize the promotion of objects to the tenured generation but I see very little promotion from the young to the tenured gens.  I thoguht that it would be a good idea to promote more objects to tenure and take advantage of the CMS collector.
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