From fa14f91a6b6c4424f4a700236229707bbe1ed327 Mon Sep 17 00:00:00 2001
From: Wellington Chevreuil <wellington.chevreuil@gmail.com>
Date: Wed, 29 May 2019 17:27:21 +0100
Subject: [PATCH] HBASE-22496 UnsafeAccess.unsafeCopy should not copy more than
 UNSAFE_COPY_THRESHOLD on each iteration

Change-Id: I259bc54a0a5b3474d3c455639c3e9cb1e95c8438

Signed-off-by: huzheng <openinx@gmail.com>
---
 .../main/java/org/apache/hadoop/hbase/util/UnsafeAccess.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hbase-common/src/main/java/org/apache/hadoop/hbase/util/UnsafeAccess.java b/hbase-common/src/main/java/org/apache/hadoop/hbase/util/UnsafeAccess.java
index 953ad5b533e..15d3cd542d8 100644
--- a/hbase-common/src/main/java/org/apache/hadoop/hbase/util/UnsafeAccess.java
+++ b/hbase-common/src/main/java/org/apache/hadoop/hbase/util/UnsafeAccess.java
@@ -333,7 +333,7 @@ public final class UnsafeAccess {
   private static void unsafeCopy(Object src, long srcAddr, Object dst, long destAddr, long len) {
     while (len > 0) {
       long size = (len > UNSAFE_COPY_THRESHOLD) ? UNSAFE_COPY_THRESHOLD : len;
-      theUnsafe.copyMemory(src, srcAddr, dst, destAddr, len);
+      theUnsafe.copyMemory(src, srcAddr, dst, destAddr, size);
       len -= size;
       srcAddr += size;
       destAddr += size;