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A blog about OpenJDK & JVM topics.

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JVMs getting OOM-killed? Try SapMachine High Memory Reports

February 10, 2023
#openjdk | #sapmachine | #vitals | #jcmd

Analyzing OOM-kills is no fun. You fly mostly blind, have no meaningful logs - your JVMs just keep disappearing. It can be highly frustrating work.

If that sounds familiar, we may have something for you.

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SapMachine Vitals

February 6, 2023
#openjdk | #sapmachine | #vitals | #jcmd

SAP’s own Java VM SapMachine comes with a handy monitoring tool you may not know: SapMachine Vitals.

Think sysstat tools - pidstat, iostat, etc - plus JVM stats rolled into one and baked into our JVM for your convenience.

Curious? After me.

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JEP 387: Elastic Metaspace

July 17, 2021
#openjdk | #metaspace | #jep387

Java 16 shipped and with it JEP 387: Elastic Metaspace. JEP 387 was massive, my most extensive OpenJDK contribution so far.

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(c) Thomas Stüfe 2018, 2023
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