guykhazma commented on a change in pull request #2231:
URL: https://github.com/apache/hudi/pull/2231#discussion_r533190518
##########
File path:
hudi-common/src/main/java/org/apache/hudi/common/util/ObjectSizeCalculator.java
##########
@@ -328,54 +328,53 @@ private static long getPrimitiveFieldSize(Class<?> type) {
static MemoryLayoutSpecification getEffectiveMemoryLayoutSpecification() {
final String vmName = System.getProperty("java.vm.name");
if (vmName == null || !(vmName.startsWith("Java HotSpot(TM) ") ||
vmName.startsWith("OpenJDK")
- || vmName.startsWith("TwitterJDK"))) {
- throw new UnsupportedOperationException("ObjectSizeCalculator only
supported on HotSpot VM");
+ || vmName.startsWith("TwitterJDK") || vmName.startsWith("Eclipse
OpenJ9"))) {
+ throw new UnsupportedOperationException("ObjectSizeCalculator only
supported on HotSpot or Eclipse OpenJ9 VMs");
}
- final String dataModel = System.getProperty("sun.arch.data.model");
- if ("32".equals(dataModel)) {
- // Running with 32-bit data model
- return new MemoryLayoutSpecification() {
- @Override
- public int getArrayHeaderSize() {
- return 12;
- }
+ final String strVmVersion = System.getProperty("java.vm.version");
+ // Support for OpenJ9 JVM
+ if (strVmVersion.startsWith("openj9")) {
+ final String dataModel = System.getProperty("sun.arch.data.model");
+ if ("32".equals(dataModel)) {
+ // Running with 32-bit data model
+ return new MemoryLayoutSpecification() {
Review comment:
Hi @vinothchandar any comments?
thanks
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