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[SPARK-27397][Core] Take care of OpenJ9 JVM in Spark #24308

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kiszk wants to merge 3 commits into from
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[SPARK-27397][Core] Take care of OpenJ9 JVM in Spark #24308

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96bcfd4
initial commit
kiszk Apr 6, 2019
6265481
address review comment
kiszk Apr 6, 2019
08eb67a
address review comment
kiszk Apr 15, 2019
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address review comment
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@kiszk
kiszk committed Apr 6, 2019
commit 626548187ca289e5b94754dad53f5b152b79c185
4 changes: 2 additions & 2 deletions core/src/main/scala/org/apache/spark/util/SizeEstimator.scala
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Expand Up @@ -132,8 +132,8 @@ object SizeEstimator extends Logging {
}

// java.vm.info provides compressed ref info for IBM and OpenJ9 JDKs
if (System.getProperty("java.vendor").contains("IBM") ||
System.getProperty("java.vendor").contains("OpenJ9")) {
val javaVendor = System.getProperty("java.vendor")
if (javaVendor.contains("IBM") || javaVendor.contains("OpenJ9")) {
return System.getProperty("java.vm.info").contains("Compressed Ref")
}

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