{"action":"created","comment":{"url":"https://api.github.com/repos/netty/netty/pulls/comments/65092089","id":65092089,"diff_hunk":"@@ -0,0 +1,30 @@\n+/*\n+ * Copyright 2016 The Netty Project\n+ *\n+ * The Netty Project licenses this file to you under the Apache License,\n+ * version 2.0 (the \"License\"); you may not use this file except in compliance\n+ * with 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, WITHOUT\n+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the\n+ * License for the specific language governing permissions and limitations\n+ * under the License.\n+ */\n+package io.netty.util.internal;\n+\n+import java.nio.ByteBuffer;\n+\n+/**\n+ * {@link OutOfMemoryError} that is throws if {@link PlatformDependent#allocateDirectNoCleaner(int)} can not allocate\n+ * a new {@link ByteBuffer} due memory restrictions.\n+ */\n+public final class OutOfDirectMemoryError extends OutOfMemoryError {","path":"common/src/main/java/io/netty/util/internal/OutOfDirectMemoryError.java","position":24,"original_position":24,"commit_id":"8cdc785b910b8759ac81c8be339249470217b78c","original_commit_id":"8cdc785b910b8759ac81c8be339249470217b78c","user":{"login":"normanmaurer","id":439362,"avatar_url":"https://avatars.githubusercontent.com/u/439362?v=3","gravatar_id":"","url":"https://api.github.com/users/normanmaurer","html_url":"https://github.com/normanmaurer","followers_url":"https://api.github.com/users/normanmaurer/followers","following_url":"https://api.github.com/users/normanmaurer/following{/other_user}","gists_url":"https://api.github.com/users/normanmaurer/gists{/gist_id}","starred_url":"https://api.github.com/users/normanmaurer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/normanmaurer/subscriptions","organizations_url":"https://api.github.com/users/normanmaurer/orgs","repos_url":"https://api.github.com/users/normanmaurer/repos","events_url":"https://api.github.com/users/normanmaurer/events{/privacy}","received_events_url":"https://api.github.com/users/normanmaurer/received_events","type":"User","site_admin":false},"body":"@snazy is this what you had in mind ?","created_at":"2016-05-30T16:46:34Z","updated_at":"2016-05-30T16:46:34Z","html_url":"https://github.com/netty/netty/pull/5314#discussion_r65092089","pull_request_url":"https://api.github.com/repos/netty/netty/pulls/5314","_links":{"self":{"href":"https://api.github.com/repos/netty/netty/pulls/comments/65092089"},"html":{"href":"https://github.com/netty/netty/pull/5314#discussion_r65092089"},"pull_request":{"href":"https://api.github.com/repos/netty/netty/pulls/5314"}}},"pull_request":{"url":"https://api.github.com/repos/netty/netty/pulls/5314","id":71749923,"html_url":"https://github.com/netty/netty/pull/5314","diff_url":"https://github.com/netty/netty/pull/5314.diff","patch_url":"https://github.com/netty/netty/pull/5314.patch","issue_url":"https://api.github.com/repos/netty/netty/issues/5314","number":5314,"state":"open","locked":false,"title":"Allow to create Unsafe ByteBuf implementations that not use a Cleaner…","user":{"login":"normanmaurer","id":439362,"avatar_url":"https://avatars.githubusercontent.com/u/439362?v=3","gravatar_id":"","url":"https://api.github.com/users/normanmaurer","html_url":"https://github.com/normanmaurer","followers_url":"https://api.github.com/users/normanmaurer/followers","following_url":"https://api.github.com/users/normanmaurer/following{/other_user}","gists_url":"https://api.github.com/users/normanmaurer/gists{/gist_id}","starred_url":"https://api.github.com/users/normanmaurer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/normanmaurer/subscriptions","organizations_url":"https://api.github.com/users/normanmaurer/orgs","repos_url":"https://api.github.com/users/normanmaurer/repos","events_url":"https://api.github.com/users/normanmaurer/events{/privacy}","received_events_url":"https://api.github.com/users/normanmaurer/received_events","type":"User","site_admin":false},"body":"… to clean the native memory.\r\n\r\nMotivation:\r\n\r\nUsing the Cleaner to release the native memory has a few drawbacks:\r\n\r\n- Cleaner.clean() uses static synchronized internally which means it can be a performance bottleneck\r\n- It put more load on the GC\r\n\r\nModifications:\r\n\r\nAdd new buffer implementations that can be enabled with a system flag as optimizations. In this case no Cleaner is used at all and the user must ensure everything is always released.\r\n\r\nResult:\r\n\r\nLess performance impact by direct buffers when need to be allocated and 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