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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3704) In the DFSClient, Add the node to the dead list when the ipc.Client calls fails
Date Sat, 02 May 2015 14:10:07 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14525253#comment-14525253
] 

Hadoop QA commented on HDFS-3704:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  14m 29s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:red}-1{color} | tests included |   0m  0s | 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{color} | javac |   7m 24s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 31s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 22s | The applied patch does not increase
the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   2m 17s | The applied patch generated  1 new checkstyle
issues (total was 89, now 90). |
| {color:red}-1{color} | whitespace |   0m  0s | The patch has 1  line(s) that end in whitespace.
Use git apply --whitespace=fix. |
| {color:green}+1{color} | install |   1m 32s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 34s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   3m  2s | The patch does not introduce any new Findbugs
(version 2.0.3) warnings. |
| {color:green}+1{color} | native |   3m 14s | Pre-build of native portion |
| {color:green}+1{color} | hdfs tests | 165m 13s | Tests passed in hadoop-hdfs. |
| | | 207m 43s | |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12550440/HADOOP-3704.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / f1a152c |
| checkstyle |  https://builds.apache.org/job/PreCommit-HDFS-Build/10716/artifact/patchprocess/diffcheckstylehadoop-hdfs.txt
|
| whitespace | https://builds.apache.org/job/PreCommit-HDFS-Build/10716/artifact/patchprocess/whitespace.txt
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/10716/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/10716/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf906.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/10716/console |


This message was automatically generated.

> In the DFSClient, Add the node to the dead list when the ipc.Client calls fails
> -------------------------------------------------------------------------------
>
>                 Key: HDFS-3704
>                 URL: https://issues.apache.org/jira/browse/HDFS-3704
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 1.0.3, 2.0.0-alpha
>            Reporter: Nicolas Liochon
>            Priority: Minor
>         Attachments: HADOOP-3704.patch
>
>
> The DFSCLient maintains a list of dead node per input steam. When creating this DFSInputStream,
it may connect to one of the nodes to check final block size. If this call fail, this datanode
should be put in the dead nodes list to save time. If not it will be retried for the block
transfer during the read, and we're likely to get a timeout.



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