How to limit JVM memory consumption?

Asked Jun 09 '20 at 14:24

Active Jun 09 '20 at 14:26

Viewed 37 times

I developed a simple Spring Boot application (microservice you might say) and deployed with a simple java -jar ... -Xmx 128M. Yet, I can see using the ps command that the allocated memory for the process is actually 6237.26 Mb.

Now, I've read that and understood about the fact that -Xmx actually limits the process heap size but my question is:

Why does the JVM allocates so much RAM?
How can I limit it to a reasonable size?

Update: Following the suggestion in the comment, I moved the -Xmx128M and now it's has allocated 4300MB of RAM. Still a monster.

edited Jun 09 '20 at 14:26

asked Jun 09 '20 at 14:24

IsaacLevon

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I think you need to put the `-Xmx` before the `-jar`. – dan1st Jun 09 '20 at 14:25
How big are your jars/how many do you have? Stuff like compiled code, class files, etc. all take up ram – PiRocks Jun 09 '20 at 21:48
Only 1 jar (42MB) – IsaacLevon Jun 09 '20 at 23:27

How to limit JVM memory consumption?

0 Answers0