Humongous allocator

This is a sample application that continuously creates humongous objects. Its creates a few hundreds MB of short lived objects, and then a humongous object (a long array).

Build

mvn compile

Run

The -XX:G1HeapRegionSize=8388608 parameter can be specified to tweak the humongous object size. The app uses it even if a different GC than G1 is selected. If not specified, 8388608 is used.

java -Xms16G -Xmx16G -XX:+UseG1GC -XX:G1HeapRegionSize=8388608 -cp target/classes/ fr.pingtimeout.HumongousAllocator