Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/10820#discussion_r50782380
--- Diff: unsafe/src/main/java/org/apache/spark/unsafe/Platform.java ---
@@ -105,6 +105,17 @@ public static void freeMemory(long address) {
_UNSAFE.freeMemory(address);
}
+ public static long reallocateMemory(long address, long oldSize, long
newSize) {
--- End diff --
Should this also work for on-heap?
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