apurtell commented on a change in pull request #3691:
URL: https://github.com/apache/hbase/pull/3691#discussion_r715792772
##########
File path:
hbase-common/src/main/java/org/apache/hadoop/hbase/util/UnsafeAccess.java
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@@ -330,6 +330,20 @@ public static void copy(byte[] src, int srcOffset,
ByteBuffer dest, int destOffs
unsafeCopy(src, srcAddress, destBase, destAddress, length);
}
+ /**
+ * Copies the bytes from given array's offset to length part into the given
array.
+ * @param src source array
+ * @param srcOffset offset into source buffer
+ * @param dest destination array
+ * @param destOffset offset into destination buffer
+ * @param length length of data to copy
+ */
+ public static void copy(byte[] src, int srcOffset, byte[] dest, int
destOffset, int length) {
Review comment:
The unsafe version is faster than arraycopy because it does not do
bounds checking, right? I don't have a strong opinion about this, though.
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