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https://issues.apache.org/jira/browse/GIRAPH-1181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16422871#comment-16422871
]
ASF GitHub Bot commented on GIRAPH-1181:
----------------------------------------
Github user yukselakinci commented on a diff in the pull request:
https://github.com/apache/giraph/pull/65#discussion_r178604012
--- Diff:
giraph-core/src/main/java/org/apache/giraph/utils/ExtendedInput.java ---
@@ -0,0 +1,326 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.giraph.utils;
+
+import com.esotericsoftware.kryo.KryoException;
+import com.esotericsoftware.kryo.io.Input;
+import java.io.IOException;
+import java.io.UTFDataFormatException;
+import java.lang.reflect.Field;
+import static org.apache.giraph.utils.ByteUtils.SIZE_OF_LONG;
+import static org.apache.giraph.utils.ByteUtils.SIZE_OF_BOOLEAN;
+import static org.apache.giraph.utils.ByteUtils.SIZE_OF_BYTE;
+import static org.apache.giraph.utils.ByteUtils.SIZE_OF_CHAR;
+import static org.apache.giraph.utils.ByteUtils.SIZE_OF_SHORT;
+import static org.apache.giraph.utils.ByteUtils.SIZE_OF_INT;
+import static org.apache.giraph.utils.ByteUtils.SIZE_OF_FLOAT;
+import static org.apache.giraph.utils.ByteUtils.SIZE_OF_DOUBLE;
+
+/**
+ * ExtendedInput allows kryo to read directly from the underlying stream
+ * without having to write to an interim buffer.
+ */
+public class ExtendedInput extends Input implements ExtendedDataInput {
--- End diff --
Done.
> Changes to ExtendedByteArrayDataOutput
> --------------------------------------
>
> Key: GIRAPH-1181
> URL: https://issues.apache.org/jira/browse/GIRAPH-1181
> Project: Giraph
> Issue Type: Improvement
> Reporter: Yuksel Akinci
> Priority: Major
>
> Adding a new stream type which extends from
> com.esotericsoftware.kryo.io.Input/Output, so that it can be used with kryo
> serializer. It improves the performance of kryo by faster read/writes (unsafe
> IO), and also eliminates the need for interim buffers to convert from
> DataInput and DataOutput.
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