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  1. What are the -Xms and -Xmx parameters when starting JVM?

    Jun 11, 2024 · The flag Xmx specifies the maximum memory allocation pool for a Java Virtual Machine (JVM), while Xms specifies the initial memory allocation pool. This means that your JVM will be …

  2. What does Java option -Xmx stand for? - Stack Overflow

    21 The -Xmx option changes the maximum Heap Space for the VM. java -Xmx1024m means that the VM can allocate a maximum of 1024 MB. In layman terms this means that the application can use a …

  3. Increase heap size in Java - Stack Overflow

    java -Xms4096M -Xmx6144M ClassName The above parameters increase the InitialHeapSize (-Xms) to 4GB (4096 MB) and MaxHeapSize (-Xmx) to 6GB (6144 MB). But, the Young Generation Heap Size …

  4. What is the default max heap size (-Xmx) in Java 8?

    Sep 30, 2021 · Also Java configuration options (command line parameters) can be "outsourced" to environment variables including the -Xmx, which can change the default (meaning specify a new …

  5. java - How to set the -Xmx when start running a jar file ... - Stack ...

    Nov 22, 2013 · java -Xmx1024m -jar JavaApplication.jar More specifically, the java launcher needs to be used as follows: java [options] -jar file.jar [arguments] [options] are passed to the Java runtime …

  6. java - Is there a maximum number you can set Xmx to when trying to ...

    Jun 25, 2015 · 1 Have a look at for some common errors in setting the java heap. You've probably set the heap size to a larger value than your computer's physical memory. You should avoid solving this …

  7. java - Increasing the JVM maximum heap size for memory intensive ...

    I need to run a Java memory intensive application that uses more than 2GB, but I am having problems to increase the heap maximum size. So far, I have tried the following approaches: Setting the -Xmx

  8. java - How to set the maximum memory usage for JVM? - Stack Overflow

    Sep 29, 2009 · I want to limit the maximum memory used by the JVM. Note, this is not just the heap, I want to limit the total memory used by this process.

  9. Speed tradeoff of Java's -Xms and -Xmx options - Stack Overflow

    The speed tradeoffs between various settings of -Xms and -Xmx depend on the application and system that you run your Java application on. It also depends on your JVM and other garbage collection …

  10. java - What is the difference between xmx and MaxRAM JVM …

    Jan 7, 2019 · The value of MaxRAM is platform-dependent. Xmx: - Xmxn Specify the maximum size, in bytes, of the memory allocation pool. This value must a multiple of 1024 greater than 2MB. Append …