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Java Forum / First Aid / May 2004Java Heap allocation question
I have a general requestion regarding java heap allocation / garbage collection. Does the PermSize of the java heap count towards the tenured size? e.g. if my settings are -Xms100m -XX:NewSize=60m -XX:PermSize=10m ... is the tenured area of the heap 40 or 30 megs? Thanks > I have a general requestion regarding java heap allocation / garbage > collection. > > Does the PermSize of the java heap count towards the tenured size? > e.g. if my settings are -Xms100m -XX:NewSize=60m -XX:PermSize=10m ... > is the tenured area of the heap 40 or 30 megs? Scanning Google results suggests that the answer is that the tenured heap section is 40 megabytes. The permanent generation is apparently entirely separate from the standard garbage-collected heap. But, I can't find anyone who says this straight-out. I could be wrong.  Signaturewww.designacourse.com The Easiest Way to Train Anyone... Anywhere. Chris Smith - Lead Software Developer/Technical Trainer MindIQ Corporation > > I have a general requestion regarding java heap allocation / garbage > > collection. [quoted text clipped - 8 lines] > > But, I can't find anyone who says this straight-out. I could be wrong. Thanks, thats also how I interpertted the posts I found on other sites. My next question that I'm unable to come to a clear conclusion on is how the Survivor Spaces work and how their size effects performance. I don't understand why you would have such a disparity in the size of eden and the two survivor spaces. Any ideas? Frank > My next question that I'm unable to come to a clear conclusion on is > how the Survivor Spaces work and how their size effects performance. > I don't understand why you would have such a disparity in the size of > eden and the two survivor spaces. Any ideas? I don't know, so I'll drop out and hope someone else pops in with this knowledge. Anyone? Signaturewww.designacourse.com The Easiest Way to Train Anyone... Anywhere. Chris Smith - Lead Software Developer/Technical Trainer MindIQ Corporation Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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