jvm_options: [
    '-Xmx6500m', '-XX:MaxPermSize=512m', '-XX:+UseConcMarkSweepGC', '-XX:ParallelGCThreads=4',
    # GC perf tuning per DPB-5913
    '-XX:NewSize=2000m', '-XX:NewRatio=2', '-XX:SurvivorRatio=8',
    # bigger cache size for our big projects (default is just 5)
    '-Dzinc.analysis.cache.limit=1000',
  ]