Github user samelamin commented on a diff in the pull request:
https://github.com/apache/spark/pull/17472#discussion_r108783754
--- Diff: common/unsafe/src/main/java/org/apache/spark/unsafe/Platform.java
---
@@ -46,16 +46,22 @@
private static final boolean unaligned;
static {
boolean _unaligned;
+ String arch = System.getProperty("os.arch", "");
// use reflection to access unaligned field
try {
Class<?> bitsClass =
Class.forName("java.nio.Bits", false,
ClassLoader.getSystemClassLoader());
Method unalignedMethod = bitsClass.getDeclaredMethod("unaligned");
unalignedMethod.setAccessible(true);
- _unaligned = Boolean.TRUE.equals(unalignedMethod.invoke(null));
+
+ //Since java.nio.Bits.unaligned() doesn't return true on ppc (See
JDK-8165231)
+ if(arch.matches("^(ppc64le|ppc64)$")){
--- End diff --
moved up top.
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