JVM Options VM options are loaded from the IDE_HOME\bin\<product>[bits][.exe].vmoptions file. The options are defined one per line: -Xms128m -Xmx512m -XX:MaxPermSize=250m -XX:ReservedCodeCacheSize=64m -XX:+UseCodeCacheFlushing -ea -Dsun.io.useCanonCaches=false If you are running under 64-bit JVM (verify in Help | About), options should be edited in the file with 64 suffix in its name (idea64.exe.v
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