{"action":"created","comment":{"url":"https://api.github.com/repos/apache/spark/pulls/comments/31356503","id":31356503,"diff_hunk":"@@ -0,0 +1,269 @@\n+/*\n+* Licensed to the Apache Software Foundation (ASF) under one or more\n+* contributor license agreements.  See the NOTICE file distributed with\n+* this work for additional information regarding copyright ownership.\n+* The ASF licenses this file to You under the Apache License, Version 2.0\n+* (the \"License\"); you may not use this file except in compliance with\n+* the License.  You may obtain a copy of the License at\n+*\n+*    http://www.apache.org/licenses/LICENSE-2.0\n+*\n+* Unless required by applicable law or agreed to in writing, software\n+* distributed under the License is distributed on an \"AS IS\" BASIS,\n+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n+* See the License for the specific language governing permissions and\n+* limitations under the License.\n+*/\n+package org.apache.spark.network.buffer;\n+\n+import com.google.common.annotations.VisibleForTesting;\n+import sun.nio.ch.DirectBuffer;\n+\n+import java.io.IOException;\n+import java.nio.BufferUnderflowException;\n+import java.nio.ByteBuffer;\n+import java.nio.MappedByteBuffer;\n+import java.nio.channels.WritableByteChannel;\n+import java.util.Arrays;\n+import java.util.List;\n+\n+public class WrappedLargeByteBuffer implements LargeByteBuffer {","path":"network/common/src/main/java/org/apache/spark/network/buffer/WrappedLargeByteBuffer.java","position":30,"original_position":30,"commit_id":"117fb4a166a722bd352d74de59f26e45100a022c","original_commit_id":"117fb4a166a722bd352d74de59f26e45100a022c","user":{"login":"JoshRosen","id":50748,"avatar_url":"https://avatars.githubusercontent.com/u/50748?v=3","gravatar_id":"","url":"https://api.github.com/users/JoshRosen","html_url":"https://github.com/JoshRosen","followers_url":"https://api.github.com/users/JoshRosen/followers","following_url":"https://api.github.com/users/JoshRosen/following{/other_user}","gists_url":"https://api.github.com/users/JoshRosen/gists{/gist_id}","starred_url":"https://api.github.com/users/JoshRosen/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/JoshRosen/subscriptions","organizations_url":"https://api.github.com/users/JoshRosen/orgs","repos_url":"https://api.github.com/users/JoshRosen/repos","events_url":"https://api.github.com/users/JoshRosen/events{/privacy}","received_events_url":"https://api.github.com/users/JoshRosen/received_events","type":"User","site_admin":false},"body":"Similarly, this also needs a Javadoc comment to explain how it works at a high level.  I'd discuss how this wraps over multiple underlying ByteBuffers to present a single buffer-like interface that allows for the buffer size to be > 2GB.  In other words, I'd recap some of the motivation for this class here.","created_at":"2015-05-29T19:22:44Z","updated_at":"2015-05-29T19:22:44Z","html_url":"https://github.com/apache/spark/pull/5400#discussion_r31356503","pull_request_url":"https://api.github.com/repos/apache/spark/pulls/5400","_links":{"self":{"href":"https://api.github.com/repos/apache/spark/pulls/comments/31356503"},"html":{"href":"https://github.com/apache/spark/pull/5400#discussion_r31356503"},"pull_request":{"href":"https://api.github.com/repos/apache/spark/pulls/5400"}}},"pull_request":{"url":"https://api.github.com/repos/apache/spark/pulls/5400","id":32799692,"html_url":"https://github.com/apache/spark/pull/5400","diff_url":"https://github.com/apache/spark/pull/5400.diff","patch_url":"https://github.com/apache/spark/pull/5400.patch","issue_url":"https://api.github.com/repos/apache/spark/issues/5400","number":5400,"state":"open","locked":false,"title":"[SPARK-6190][core] create LargeByteBuffer for eliminating 2GB 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