0
votes
0answers
22 views

How to increase permgen space of java in Ubuntu 13.04

How to increase permgen space of java in Ubuntu 13.04? I am using java Sun/Oracle JDK 6
0
votes
0answers
596 views

Ubuntu x64 server java gives “Could not reserve enough space for object heap”

I have an Ubuntu server without X. I installed java with the following command: apt-get install default-jre-headless Here's some more info from my server: root# df Filesystem 1K-blocks ...
1
vote
1answer
411 views

java not allowing for the use of all 8gb of ram

I have a 32bit version of Ubuntu server with PAE active allow for the full use of the 8gb of RAM but I can't use more than 2gb of RAM in Java. I run the command java -Xms6G -Xmx7G -jar server.jar ...
0
votes
1answer
3k views

How to allocate more ram to minecraft?

Minecraft lags badly in my linux than windows! in windows i dont find trouble playing it! My system specs : processor : AMD Athlon x2 260 3.2ghz dual core Graphic ...
0
votes
1answer
226 views

How to maximize Java resources for gaming?

I notice that when I play Minecraft, my CPU usage is only around 15 to 20 percent, at most. Is it possible to force my computer to allocate as much RAM, CPU time, etc. to the game, in order to get the ...
3
votes
1answer
4k views

Good way to run Java and Eclipse from a ramdisk

It is often suggested to me that to improve the performance of the Eclipse development environment, that I should move the Java JDK/JVM (and possibly Eclipse) to a Ramdisk. I know that the Ubuntu has ...
-1
votes
1answer
168 views

Java could not reserve enough memory to start the server [closed]

How do I fix this error? Java could not reserve enough memory to start the server Hope you guys can help me.
2
votes
0answers
243 views

Finding leaking memory? [closed]

I have a system running a Java program and I believe it or something else is leaking memory. When the program is monitor for its memory use it de-allocates the memory as it is suppose to. But after a ...
8
votes
2answers
34k views

How do I change Java Runtime Parameters?

On Windows, I could change how much RAM Java could use by typing something like -Xincgc -Xmx2048M in the Java Runtime Parameters. How can I do that in Ubuntu?