This is what I've found, look at item #2: http://download.oracle.com/javase/6/docs/technotes/guides/vm/gc-ergonomics.html
On Wed, Nov 24, 2010 at 10:13 AM, Lon Varscsak <[email protected]>wrote: > Also remembering this is only true for Java 6 (maybe only on > solaris/linux).. Trying to find supporting docs. :) > > -Lon > > > On Wed, Nov 24, 2010 at 10:09 AM, Lon Varscsak > <[email protected]>wrote: > >> I believe the default size for Java 64-bit is 1G not 64M. >> >> -Lon >> >> On Wed, Nov 24, 2010 at 9:55 AM, Pascal Robert <[email protected]> wrote: >> >>> I have questions about memory usage of Java/WO apps. One of our apps had >>> good old "out of memory" error. While looking at how much system memory the >>> app was using, I saw another app that was using 1 GB of resident memory! >>> >>> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND >>> >>> >>> 2362 appserve 25 0 1922m 1.0g 9264 S 0.0 17.6 0:56.45 java >>> >>> >>> >>> But what's strange is that app is using the default memory settings, we >>> are not using the -Xmx arguments, so I don't understand why this app can, >>> according to Linux, be using 1 GB of RAM when it should stop when it reaches >>> 64 MB. I tried some Googling and I didn't find any info that the maximum is >>> higher than 64 MB for Java 6 but maybe I was searching for the wrong thing. >>> >>> CentOS release 5.5 (Final) x86_64 >>> java version "1.6.0_20" >>> Java(TM) SE Runtime Environment (build 1.6.0_20-b02) >>> Java HotSpot(TM) 64-Bit Server VM (build 16.3-b01, mixed mode) >>> >>> >>> >>> _______________________________________________ >>> Do not post admin requests to the list. They will be ignored. >>> Webobjects-deploy mailing list ([email protected]) >>> Help/Unsubscribe/Update your Subscription: >>> >>> http://lists.apple.com/mailman/options/webobjects-deploy/varscsak%40smarthealth.com >>> >>> This email sent to [email protected] >>> >> >> >
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