commit 20c45aee396f2e104367bfb3370d85938febb766
author Wei-Chiu Chuang <jojochuang@gmail.com> Thu Aug 25 04:30:39 2022 +0800
committer GitHub <noreply@github.com> Wed Aug 24 22:30:39 2022 +0200
tree f47c979e80a5cfa84d0cb376843cc7a9fbce73ce
parent 3cf882e93c554a28bfeac032789e3d0f511c6f3a

HDDS-7161. Make Checksum.int2ByteString() zero-copy. (#3709)

hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/common/Checksum.java

diff --git a/hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/common/Checksum.java b/hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/common/Checksum.java
index 76f84c4..bb4b5e3 100644
--- a/hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/common/Checksum.java
+++ b/hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/common/Checksum.java
@@ -32,6 +32,7 @@
 import com.google.common.primitives.Ints;
 import org.apache.hadoop.ozone.common.utils.BufferUtils;
 import org.apache.ratis.thirdparty.com.google.protobuf.ByteString;
+import org.apache.ratis.thirdparty.com.google.protobuf.UnsafeByteOperations;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -60,7 +61,7 @@
   }
 
   public static ByteString int2ByteString(int n) {
-    return ByteString.copyFrom(Ints.toByteArray(n));
+    return UnsafeByteOperations.unsafeWrap(Ints.toByteArray(n));
   }
 
   private static Function<ByteBuffer, ByteString> newChecksumByteBufferFunction(