IntelliJ – Configuring JVM options and platform properties

IntelliJ JVM Options

Location:

IDE_HOME\bin\<product>[bits][.exe].vmoptions file. 

-Xms128m
-Xmx512m
-XX:MaxPermSize=250m
-XX:ReservedCodeCacheSize=64m
-XX:+UseCodeCacheFlushing
-ea
-Dsun.io.useCanonCaches=false

IntelliJ IDEA Platform Properties

File location :

IDE_HOME\bin\idea.properties

idea.max.intellisense.filesize=2500
idea.cycle.buffer.size=1024

source: https://intellij-support.jetbrains.com/entries/23395793

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