Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/14762#discussion_r75811674
--- Diff:
common/unsafe/src/main/java/org/apache/spark/unsafe/UnsafeAlignedOffset.java ---
@@ -0,0 +1,50 @@
+/*
+ * Class to make changes to record length offsets uniform throughout
various areas of apache spark core and unsafe.
+ * This is needed on SPARC because using an 4 byte Int for record lengths
causes the entire record of 8 byte Items to become
+ * misaligned by 4 bytes. So, using a 8 byte long for record length keeps
things aligned.
+ */
+
+package org.apache.spark.unsafe;
+
+import org.apache.spark.unsafe.Platform;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class UnsafeAlignedOffset {
+
+ public static int uaoSize;
+ static final List<String> MISALIGNED_ARCH = Arrays.asList("sparc",
"sparcv9");
+
+ static{
--- End diff --
Missing space before brace; else should not be on a new line.
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