JvmOptionsParser.java

Inspired by InstallCert and /etc/elasticsearch/jvm.options

Usage

Need to compile, first:

javac --source 1.8 --target 1.8 -d . src/main/java/JvmOptionsParser.java

java JvmOptionsParser <args>

Note since Java 11, you can run it directly without compiling it first:

java src/main/java/JvmOptionsParser.java <args>

Jar

ant

java -jar dist/JvmOptionsParser.jar <args>

download precompiled jar

curl -fsSL -O https://github.com/dyrnq/JvmOptionsParser/releases/download/v0.0.1/JvmOptionsParser.jar

java -jar JvmOptionsParser.jar <args>

Args and ENV

need args pass a conf folder or file

• folder eg. java -jar JvmOptionsParser.jar /etc/es, then /etc/es/jvm.options + /etc/es/jvm.options.d/*.options.
• file eg. java -jar JvmOptionsParser.jar /etc/es/my.options, then /etc/es/my.options + /etc/es/jvm.options.d/*.options.
• env ES_JAVA_OPTS JAVA_OPTS JAVA_OPTIONS JVM_OPTS JVM_OPTIONS.

Ref

• JVM options syntax
• src/config/jvm.options
• https://developer.axonivy.com/doc/8.0/engine-guide/configuration/files/jvm-options.html