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https://issues.apache.org/jira/browse/HDFS-8255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14529559#comment-14529559
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Hadoop QA commented on HDFS-8255:
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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 31s | 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 4 new or modified test files. |
| {color:green}+1{color} | javac |   7m 28s | There were no new javac warning 
messages. |
| {color:green}+1{color} | javadoc |   9m 30s | 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 10s | The applied patch generated  1 
new checkstyle issues (total was 844, now 845). |
| {color:green}+1{color} | whitespace |   0m  2s | 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 33s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   3m  4s | 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 | 166m 38s | Tests passed in hadoop-hdfs. 
|
| | | 209m 12s | |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12730588/HDFS-8255.001.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / ffce9a3 |
| checkstyle |  
https://builds.apache.org/job/PreCommit-HDFS-Build/10820/artifact/patchprocess/diffcheckstylehadoop-hdfs.txt
 |
| hadoop-hdfs test log | 
https://builds.apache.org/job/PreCommit-HDFS-Build/10820/artifact/patchprocess/testrun_hadoop-hdfs.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/10820/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf905.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/10820/console |


This message was automatically generated.

> Rename getBlockReplication to getPreferredBlockStorageNum
> ---------------------------------------------------------
>
>                 Key: HDFS-8255
>                 URL: https://issues.apache.org/jira/browse/HDFS-8255
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 2.8.0
>            Reporter: Zhe Zhang
>            Assignee: Zhe Zhang
>         Attachments: HDFS-8255.000.patch, HDFS-8255.001.patch
>
>
> We should rename {{BlockCollection#getBlockReplication}} to 
> {{getPreferredBlockStorageNum}} for 2 reasons:
> # Currently, this method actually returns the _preferred_ block replication 
> factor instead of the _actual_ number of replicas. The current name is a 
> little ambiguous. {{getPreferredBlockStorageNum}} is also consistent with 
> {{getPreferredBlockSize}}
> # With the erasure coding feature, the name doesn't apply to striped blocks. 



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