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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8924) Add pluggable interface for reading replicas in DFSClient
Date Thu, 20 Aug 2015 05:32:46 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14704321#comment-14704321
] 

Hadoop QA commented on HDFS-8924:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  19m 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:red}-1{color} | javac |   7m 54s | The applied patch generated  1  additional warning
messages. |
| {color:green}+1{color} | javadoc |   9m 55s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 25s | The applied patch does not increase
the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   2m 29s | The applied patch generated  22 new checkstyle
issues (total was 40, now 62). |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 41s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 35s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   4m 31s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | native |   3m 17s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 203m 24s | Tests failed in hadoop-hdfs. |
| {color:green}+1{color} | hdfs tests |   0m 28s | Tests passed in hadoop-hdfs-client. |
| | | 254m 26s | |
\\
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|| Reason || Tests ||
| Failed unit tests | hadoop.hdfs.server.namenode.TestNameNodeMetricsLogger |
|   | hadoop.hdfs.server.namenode.TestFileTruncate |
| Timed out tests | org.apache.hadoop.cli.TestHDFSCLI |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12751359/HDFS-8924.001.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 4e14f79 |
| javac | https://builds.apache.org/job/PreCommit-HDFS-Build/12052/artifact/patchprocess/diffJavacWarnings.txt
|
| checkstyle |  https://builds.apache.org/job/PreCommit-HDFS-Build/12052/artifact/patchprocess/diffcheckstylehadoop-hdfs-client.txt
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/12052/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| hadoop-hdfs-client test log | https://builds.apache.org/job/PreCommit-HDFS-Build/12052/artifact/patchprocess/testrun_hadoop-hdfs-client.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/12052/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/12052/console |


This message was automatically generated.

> Add pluggable interface for reading replicas in DFSClient
> ---------------------------------------------------------
>
>                 Key: HDFS-8924
>                 URL: https://issues.apache.org/jira/browse/HDFS-8924
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs-client
>    Affects Versions: 2.8.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HDFS-8924.001.patch
>
>
> We should add a pluggable interface for reading replicas in the DFSClient.  This could
be used to implement short-circuit reads on systems without file descriptors, or for other
optimizations.



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