Guidelines for JVM layer (OpenJDK)

When starting a new JVM optimization, the following is a list of recommended parameters. After having selected the parameters, always make sure to add/review the corresponding parameter domains and constraints based on your environment. Please refer to the optimization pack reference page for more information.

Suggested Parameters for Open JDK 11

• jvm_maxHeapSize

• jvm_minHeapSize

• jvm_gcType

• jvm_newSize

• jvm_survivorRatio

• jvm_maxTenuringThreshold

• jvm_parallelGCThreads

• jvm_concurrentGCThreads

• jvm_maxInlineSize

• jvm_inlineSmallCode

• jvm_useTransparentHugePages

• jvm_alwaysPreTouch

Suggested Parameters for Open JDK 8

When starting a new JVM optimization, the following is a list of recommended parameters to include in your study:

• jvm_gcType

• jvm_maxHeapSize

• jvm_newSize

• jvm_survivorRatio

• jvm_maxTenuringThreshold

• jvm_parallelGCThreads

• jvm_concurrentGCThreads