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https://issues.apache.org/jira/browse/HDFS-8829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14744769#comment-14744769
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Hudson commented on HDFS-8829:
------------------------------
FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #370 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/370/])
HDFS-8829. Make SO_RCVBUF and SO_SNDBUF size configurable for
DataTransferProtocol sockets and allow configuring auto-tuning (He Tianyi via
Colin P. McCabe) (cmccabe: rev 7b5cf5352efedc7d7ebdbb6b58f1b9a688812e75)
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeTransferSocketSize.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DNConf.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/net/TcpPeerServer.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataXceiverServer.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/net/DomainPeerServer.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/net/PeerServer.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java
> Make SO_RCVBUF and SO_SNDBUF size configurable for DataTransferProtocol
> sockets and allow configuring auto-tuning
> -----------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-8829
> URL: https://issues.apache.org/jira/browse/HDFS-8829
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 2.3.0, 2.6.0
> Reporter: He Tianyi
> Assignee: He Tianyi
> Fix For: 2.8.0
>
> Attachments: HDFS-8829.0001.patch, HDFS-8829.0002.patch,
> HDFS-8829.0003.patch, HDFS-8829.0004.patch, HDFS-8829.0005.patch,
> HDFS-8829.0006.patch
>
>
> {code:java}
> private void initDataXceiver(Configuration conf) throws IOException {
> // find free port or use privileged port provided
> TcpPeerServer tcpPeerServer;
> if (secureResources != null) {
> tcpPeerServer = new TcpPeerServer(secureResources);
> } else {
> tcpPeerServer = new TcpPeerServer(dnConf.socketWriteTimeout,
> DataNode.getStreamingAddr(conf));
> }
>
> tcpPeerServer.setReceiveBufferSize(HdfsConstants.DEFAULT_DATA_SOCKET_SIZE);
> {code}
> The last line sets SO_RCVBUF explicitly, thus disabling tcp auto-tuning on
> some system.
> Shall we make this behavior configurable?
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