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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8700) favoredNodes should accept ip addr
Date Tue, 30 Jun 2015 16:20:04 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14608602#comment-14608602
] 

Hadoop QA commented on HDFS-8700:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch |  17m 59s | Pre-patch trunk has 1 extant Findbugs (version
3.0.0) warnings. |
| {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 41s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 49s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 23s | The applied patch does not increase
the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   2m 16s | There were no new checkstyle issues. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 34s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 34s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   3m 22s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | native |   3m 19s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 162m  9s | Tests failed in hadoop-hdfs. |
| | | 209m  9s | |
\\
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|| Reason || Tests ||
| Failed unit tests | hadoop.hdfs.TestLeaseRecovery2 |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12742822/HDFS-8700.01.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 076948d |
| Pre-patch Findbugs warnings | https://builds.apache.org/job/PreCommit-HDFS-Build/11551/artifact/patchprocess/trunkFindbugsWarningshadoop-hdfs.html
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/11551/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/11551/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf903.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/11551/console |


This message was automatically generated.

> favoredNodes should accept ip addr
> ----------------------------------
>
>                 Key: HDFS-8700
>                 URL: https://issues.apache.org/jira/browse/HDFS-8700
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Walter Su
>            Assignee: Walter Su
>            Priority: Minor
>         Attachments: HDFS-8700.01.patch
>
>
> NameNode accepts two forms of FavoredNodes, {{ip:port}} and {{host:port}}
> DFSClient#create(..) only uses {{host:port}}, if favoredNodes is created by 
> {code}
> new InetSocketAddress(ip, port)
> {code}
> DFSClient will attempt a reverse lookup locally to get {{host:port}}, instead of sending
{{ip:port}} directly to NameNode.
> It's not a problem in production. But it's a problem in MiniDFSCluster.
> MiniDFSCluster use fake hostname "host1.foo.com" to start DataNodes.
> DFSClient doesn't use StaticMapping. So if DFSClient do reverse lookup, "127.0.0.1:50470"
becomes "localhost:50470".



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