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https://issues.apache.org/jira/browse/HDFS-8443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14552333#comment-14552333
 ] 

Hadoop QA commented on HDFS-8443:
---------------------------------

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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 44s | 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 34s | There were no new javac warning 
messages. |
| {color:green}+1{color} | javadoc |   9m 41s | 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:green}+1{color} | whitespace |   0m  0s | The patch has no lines that 
end in whitespace. |
| {color:green}+1{color} | install |   1m 36s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 34s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | native |   3m 16s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 164m 13s | Tests failed in hadoop-hdfs. |
| | | 202m  4s | |
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|| Reason || Tests ||
| Failed unit tests | hadoop.hdfs.server.namenode.TestFileTruncate |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12734104/HDFS-8443.1.patch |
| Optional Tests | javadoc javac unit |
| git revision | trunk / ce53c8e |
| hadoop-hdfs test log | 
https://builds.apache.org/job/PreCommit-HDFS-Build/11060/artifact/patchprocess/testrun_hadoop-hdfs.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/11060/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf900.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/11060/console |


This message was automatically generated.

> Document dfs.namenode.service.handler.count in hdfs-site.xml
> ------------------------------------------------------------
>
>                 Key: HDFS-8443
>                 URL: https://issues.apache.org/jira/browse/HDFS-8443
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: documentation
>            Reporter: Akira AJISAKA
>            Assignee: J.Andreina
>         Attachments: HDFS-8443.1.patch
>
>
> When dfs.namenode.servicerpc-address is configured, NameNode launches an 
> extra RPC server to handle requests from non-client nodes. 
> dfs.namenode.service.handler.count specifies the number of threads for the 
> server but the parameter is not documented anywhere.
> I found a mail for asking about the parameter. 
> http://mail-archives.apache.org/mod_mbox/hadoop-user/201505.mbox/%3CE0D5A619-BDEA-44D2-81EB-C32B8464133D%40gmail.com%3E



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