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As the new Java.net infrastructure contains project-level wikis, this main wiki will be shut down in the near future. For wiki page export and general wiki questions please contact the site admin at communitymanager@java.net. Java Tuning White Paper Wiki
This page is a community page for feedback about the
Java Tuning White Paper
Changelog current draft (Dec 20, 2005)
- Fixed/clarified corrections from Dec 6 version (thanks to ScottWPalmer for these corrections!)
- See also the discussions of how to use this wiki from the initial thread
- Fixed typo where various -Xmn values had -Xmn=2g wrong and now have -Xmn2g right
- Added a pointer to this Wiki!
Corrections to make in the current draft (Dec 20, 2005)
- enter any corrections here
Corrections from previous draft (Dec 6, 2005)
- Typo in section 2.4, first paragraph, last sentence. The first instance of the word "resource" should be deleted.
- Section 4.1.3 states: "...there are two primary choices for Garbage Collection" then lists three options. Presumably the third choice is not a primary choice?
Ideas for future drafts
- Organize the paper (or a chapter or index...) around "What to do when XYZ"
- Profiling White Paper
FAQ
- Explain the difference between using -XX:+UseConcMarkSweepGC with and without -XX:+UseParNewGC. Does -XX:+UseParNewGC apply only to the CMS collector?
- With -XX:+UseParNewGC young (eden) generation collections are done in parallel.
- Yes, it applies only to CMS
- FFI please see Tuning Garbage Collection and question 22 in the GC FAQ
-- TomMarble
Java Performance Community Wiki Pages
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