Java Memory Calculator Buildpack

A Cloud Native Buildpack for providing Memory Calculator.

Detection

The detection phase passes if

• BP_DISABLE_MEMORY_CALCULATOR is not set.

Build

if the build plan contains

• memory-calculator
  • Set the output of Memory Calculator to $JAVA_OPTS
  • if $BPL_TOTAL_MEMORY is specified, configures --total-memory. Defaults to $(cat /sys/fs/cgroup/memory/memory.limit_in_bytes). If the unlimited value (= 9223372036854771712) is set, it will be limited to 1G.
  • if $BPL_LOADED_CLASS_COUNT is specified, configures --loaded-class-count. Defaults to 60% of the number of class files under /workspace/BOOT-INF and inside of the jar files.
  • if $BPL_THREAD_COUNT is specified, configures --thread-count. Defaults to 200.
  • if $BPL_HEAD_ROOM is specified, configures --head-room. Defaults to 0.

License

Licensed under the Apache License, Version 2.0.