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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9109) dfs.datanode.dns.interface does not work with hosts file based setups
Date Tue, 22 Sep 2015 23:11:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14903636#comment-14903636
] 

Hadoop QA commented on HDFS-9109:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  26m 41s | 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 |   9m 31s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  12m 17s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 26s | The applied patch does not increase
the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   2m  2s | The applied patch generated  1 new checkstyle
issues (total was 61, now 61). |
| {color:red}-1{color} | whitespace |   0m  1s | The patch has 3  line(s) that end in whitespace.
Use git apply --whitespace=fix. |
| {color:green}+1{color} | install |   1m 50s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 36s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   4m 45s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:red}-1{color} | common tests |  24m  2s | Tests failed in hadoop-common. |
| {color:red}-1{color} | hdfs tests | 168m 40s | Tests failed in hadoop-hdfs. |
| | | 251m 14s | |
\\
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|| Reason || Tests ||
| Failed unit tests | hadoop.fs.sftp.TestSFTPFileSystem |
|   | hadoop.hdfs.server.datanode.TestDataNodeUUID |
|   | hadoop.hdfs.server.datanode.TestDatanodeProtocolRetryPolicy |
|   | hadoop.hdfs.TestHDFSServerPorts |
|   | hadoop.hdfs.server.namenode.TestNNThroughputBenchmark |
|   | hadoop.hdfs.TestReplication |
|   | hadoop.hdfs.server.datanode.TestBlockRecovery |
|   | hadoop.hdfs.server.datanode.TestDataNodeMetricsLogger |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12761692/HDFS-9109.03.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / cc2b473 |
| checkstyle |  https://builds.apache.org/job/PreCommit-HDFS-Build/12607/artifact/patchprocess/diffcheckstylehadoop-common.txt
|
| whitespace | https://builds.apache.org/job/PreCommit-HDFS-Build/12607/artifact/patchprocess/whitespace.txt
|
| hadoop-common test log | https://builds.apache.org/job/PreCommit-HDFS-Build/12607/artifact/patchprocess/testrun_hadoop-common.txt
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/12607/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/12607/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf907.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/12607/console |


This message was automatically generated.

> dfs.datanode.dns.interface does not work with hosts file based setups
> ---------------------------------------------------------------------
>
>                 Key: HDFS-9109
>                 URL: https://issues.apache.org/jira/browse/HDFS-9109
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>         Attachments: HDFS-9109.01.patch, HDFS-9109.02.patch, HDFS-9109.03.patch
>
>
> The configuration setting {{dfs.datanode.dns.interface}} lets the DataNode select its
hostname by doing a reverse lookup of IP addresses on the specific network interface. This
does not work {{when /etc/hosts}} is used to setup alternate hostnames, since {{DNS#reverseDns}}
only queries the DNS servers.



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