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Re: Restricting the memory usage of a Java program

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From	Arne Vajhøj <arne@vajhoej.dk>
Newsgroups	comp.lang.java.programmer
Subject	Re: Restricting the memory usage of a Java program
Date	Thu, 11 Aug 2016 18:24:43 -0400
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On 8/11/2016 5:42 PM, Cecil Westerhof wrote:
> Bonus question: is there a way to limit the memory usage when the
> program is started with:
>     java CropImage
> instead of the script?

You can start JVM via JNI (really just your own java executable
replacement) with the Xmx you want.

But when the JVM is running then I don't know any way via
JMX or JNI to change the value.

Many JVM's require heap to be contiguous, so trying to
increase Xmx later may not be possible.

Arne

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Thread

Restricting the memory usage of a Java program Cecil Westerhof <Cecil@decebal.nl> - 2016-08-11 23:42 +0200
  Re: Restricting the memory usage of a Java program Arne Vajhøj <arne@vajhoej.dk> - 2016-08-11 18:04 -0400
    Re: Restricting the memory usage of a Java program Cecil Westerhof <Cecil@decebal.nl> - 2016-08-12 10:34 +0200
      Re: Restricting the memory usage of a Java program Martin Gregorie <martin@address-in-sig.invalid> - 2016-08-12 10:08 +0000
      Re: Restricting the memory usage of a Java program Arne Vajhøj <arne@vajhoej.dk> - 2016-08-12 09:23 -0400
        Re: Restricting the memory usage of a Java program Cecil Westerhof <Cecil@decebal.nl> - 2016-08-13 01:11 +0200
          Re: Restricting the memory usage of a Java program Cecil Westerhof <Cecil@decebal.nl> - 2016-08-13 02:52 +0200
          Re: Restricting the memory usage of a Java program Arne Vajhøj <arne@vajhoej.dk> - 2016-08-12 21:05 -0400
  Re: Restricting the memory usage of a Java program Arne Vajhøj <arne@vajhoej.dk> - 2016-08-11 18:24 -0400

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