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Date: Thu, 2 Apr 2015 00:06:53 +0000 (UTC)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12761696.1418630924000.100993.1427933213590@Atlassian.JIRA>
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Subject: [jira] [Commented] (HDFS-7523) Setting a socket receive buffer size
 in DFSClient
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    [ https://issues.apache.org/jira/browse/HDFS-7523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14391822#comment-14391822 ] 

Hadoop QA commented on HDFS-7523:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12689229/HDFS-7523-001%20%281%29.txt
  against trunk revision ed72daa.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version 2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-hdfs-project/hadoop-hdfs.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/10150//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/10150//console

This message is automatically generated.

> Setting a socket receive buffer size in DFSClient
> -------------------------------------------------
>
>                 Key: HDFS-7523
>                 URL: https://issues.apache.org/jira/browse/HDFS-7523
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs-client
>    Affects Versions: 2.6.0
>            Reporter: Liang Xie
>            Assignee: Liang Xie
>         Attachments: HDFS-7523-001 (1).txt, HDFS-7523-001 (1).txt, HDFS-7523-001.txt, HDFS-7523-001.txt, HDFS-7523-001.txt
>
>
> It would be nice if we have a socket receive buffer size while creating socket from client(HBase) view, in old version it should be in DFSInputStream, in trunk it seems should be at:
> {code}
>   @Override // RemotePeerFactory
>   public Peer newConnectedPeer(InetSocketAddress addr,
>       Token<BlockTokenIdentifier> blockToken, DatanodeID datanodeId)
>       throws IOException {
>     Peer peer = null;
>     boolean success = false;
>     Socket sock = null;
>     try {
>       sock = socketFactory.createSocket();
>       NetUtils.connect(sock, addr,
>         getRandomLocalInterfaceAddr(),
>         dfsClientConf.socketTimeout);
>       peer = TcpPeerServer.peerFromSocketAndKey(saslClient, sock, this,
>           blockToken, datanodeId);
>       peer.setReadTimeout(dfsClientConf.socketTimeout);
> {code}
> e.g: sock.setReceiveBufferSize(HdfsConstants.DEFAULT_DATA_SOCKET_SIZE);
> the default socket buffer size in Linux+JDK7 seems is 8k if i am not wrong, this value sometimes is small for HBase 64k block reading in a 10G network(at least, more system call)


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