So what should i do to evoid that error? I can use 10G on server, now i try to run with flags: java -Xms6G -Xmx6G -XX:MaxPermSize=1G -XX:PermSize=512M -D64
Or should i set xmx to lower numbers and what about other params? Sorry, i don't know much about java/jvm =( Wednesday, June 1, 2011, 7:29:50 PM, you wrote: > Are you in fact out of swap space, as the java error suggested? > The way JVM's work always, if you tell it -Xmx6g, it WILL use all 6g > eventually. The JVM doesn't Garbage Collect until it's going to run out > of heap space, until it gets to your Xmx. It will keep using RAM until > it reaches your Xmx. > If your Xmx is set so high you don't have enough RAM available, that > will be a problem, you don't want to set Xmx like this. Ideally you > don't even want to swap, but normally the OS will swap to give you > enough RAM if neccesary -- if you don't have swap space for it to do > that, to give the JVM the 6g you've configured it to take.... well, that > seems to be what the Java error message is telling you. Of course > sometimes error messages are misleading. > But yes, if you set Xmx to 6G, the process WILL use all 6G eventually. > This is just how the JVM works.
