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https://issues.apache.org/jira/browse/HDFS-12011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16061822#comment-16061822
 ] 

Hadoop QA commented on HDFS-12011:
----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
17s{color} | {color:blue} Docker mode activated. {color} |
| {color:blue}0{color} | {color:blue} patch {color} | {color:blue}  0m  
2s{color} | {color:blue} The patch file was not named according to hadoop's 
naming conventions. Please see https://wiki.apache.org/hadoop/HowToContribute 
for instructions. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 4 new or modified test 
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 15m 
56s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
58s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
42s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
4s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 
54s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
43s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
59s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
56s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
56s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 41s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch 
generated 9 new + 498 unchanged - 0 fixed = 507 total (was 498) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
1s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch 6 line(s) with tabs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m  
1s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
43s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 81m 54s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
21s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}111m 38s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure080 |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestFsDatasetImpl |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailureWithRandomECPolicy |
|   | hadoop.tools.TestHdfsConfigFields |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
|   | hadoop.hdfs.web.TestWebHdfsTimeouts |
|   | hadoop.hdfs.server.blockmanagement.TestUnderReplicatedBlocks |
|   | hadoop.hdfs.server.datanode.TestDirectoryScanner |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:14b5c93 |
| JIRA Issue | HDFS-12011 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12874352/HADOOP-12011.002.path 
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 494b253b9417 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12 
13:48:03 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 0111711 |
| Default Java | 1.8.0_131 |
| findbugs | v3.1.0-RC1 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/20027/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| whitespace | 
https://builds.apache.org/job/PreCommit-HDFS-Build/20027/artifact/patchprocess/whitespace-tabs.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/20027/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/20027/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/20027/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Add a  new load balancing volume choosing policy
> ------------------------------------------------
>
>                 Key: HDFS-12011
>                 URL: https://issues.apache.org/jira/browse/HDFS-12011
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>            Reporter: chencan
>            Assignee: chencan
>         Attachments: HADOOP-12011.002.path, HADOOP-12011.patch
>
>
>     There  are two types of volume choosing policies when choose a volume 
> inner a datanode to write in a datablock : RoundRobinVolumeChoosingPolicy and 
> AvailableSpaceVolumeChoosingPolicy.This two policies do not take into account 
> the fsvolume's load. We can add a new load balancing volume choosing policy,  
> using existing reference in FsVolumeImpl.



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