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Posted to hdfs-issues@hadoop.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2015/09/06 11:36:46 UTC
[jira] [Commented] (HDFS-8829) DataNode sets SO_RCVBUF explicitly
is disabling tcp auto-tuning
[ https://issues.apache.org/jira/browse/HDFS-8829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14732323#comment-14732323 ]
Hadoop QA commented on HDFS-8829:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch | 17m 42s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author | 0m 0s | The patch does not contain any @author tags. |
| {color:green}+1{color} | tests included | 0m 0s | The patch appears to include 1 new or modified test files. |
| {color:green}+1{color} | javac | 7m 44s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc | 10m 0s | There were no new javadoc warning messages. |
| {color:green}+1{color} | release audit | 0m 24s | The applied patch does not increase the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle | 1m 30s | The applied patch generated 13 new checkstyle issues (total was 675, now 686). |
| {color:green}+1{color} | whitespace | 0m 1s | The patch has no lines that end in whitespace. |
| {color:green}+1{color} | install | 1m 30s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 34s | The patch built with eclipse:eclipse. |
| {color:green}+1{color} | findbugs | 2m 29s | The patch does not introduce any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | native | 3m 11s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 201m 39s | Tests failed in hadoop-hdfs. |
| | | 246m 47s | |
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|| Reason || Tests ||
| Failed unit tests | hadoop.fs.TestFcHdfsCreateMkdir |
| | hadoop.fs.TestSWebHdfsFileContextMainOperations |
| | hadoop.fs.TestEnhancedByteBufferAccess |
| | hadoop.fs.TestUnbuffer |
| | hadoop.hdfs.server.namenode.TestFileTruncate |
| Timed out tests | org.apache.hadoop.hdfs.server.namenode.TestBackupNode |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12754364/HDFS-8829.0004.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 9b68577 |
| checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/12321/artifact/patchprocess/diffcheckstylehadoop-hdfs.txt |
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/12321/artifact/patchprocess/testrun_hadoop-hdfs.txt |
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/12321/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf909.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/12321/console |
This message was automatically generated.
> DataNode sets SO_RCVBUF explicitly is disabling tcp 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
> Attachments: HDFS-8829.0001.patch, HDFS-8829.0002.patch, HDFS-8829.0003.patch, HDFS-8829.0004.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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