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https://issues.apache.org/jira/browse/HDFS-8968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15002152#comment-15002152
 ] 

Hadoop QA commented on HDFS-8968:
---------------------------------

| (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 10s 
{color} | {color:blue} docker + precommit patch detected. {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 2 new or modified test 
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 
7s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 36s 
{color} | {color:green} trunk passed with JDK v1.8.0_60 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 33s 
{color} | {color:green} trunk passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
20s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 49s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
16s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 
14s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 20s 
{color} | {color:green} trunk passed with JDK v1.8.0_60 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 4s 
{color} | {color:green} trunk passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
50s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 44s 
{color} | {color:green} the patch passed with JDK v1.8.0_60 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 44s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 36s 
{color} | {color:green} the patch passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 36s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
19s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 51s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
15s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 
29s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 21s 
{color} | {color:green} the patch passed with JDK v1.8.0_60 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 8s 
{color} | {color:green} the patch passed with JDK v1.7.0_79 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 68m 23s {color} 
| {color:red} hadoop-hdfs in the patch failed with JDK v1.8.0_60. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 55m 8s {color} 
| {color:red} hadoop-hdfs in the patch failed with JDK v1.7.0_79. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m 21s 
{color} | {color:red} Patch generated 58 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 148m 1s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| JDK v1.8.0_60 Failed junit tests | 
hadoop.hdfs.server.balancer.TestBalancerWithMultipleNameNodes |
|   | hadoop.hdfs.server.blockmanagement.TestRBWBlockInvalidation |
|   | hadoop.hdfs.server.datanode.TestDataNodeMetrics |
|   | hadoop.hdfs.server.namenode.TestRecoverStripedBlocks |
|   | hadoop.hdfs.server.datanode.TestBlockScanner |
|   | hadoop.hdfs.TestRenameWhileOpen |
| JDK v1.7.0_79 Failed junit tests | hadoop.hdfs.TestDFSStripedInputStream |
|   | hadoop.hdfs.server.namenode.TestCacheDirectives |
|   | hadoop.hdfs.server.datanode.TestDataNodeHotSwapVolumes |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.7.1 Server=1.7.1 
Image:test-patch-base-hadoop-date2015-11-12 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12771956/HDFS-8968.5.patch |
| JIRA Issue | HDFS-8968 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 57e5fccd0814 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 |
| Build tool | maven |
| Personality | 
/home/jenkins/jenkins-slave/workspace/PreCommit-HDFS-Build/patchprocess/apache-yetus-fa12328/precommit/personality/hadoop.sh
 |
| git revision | trunk / 9ad708a |
| findbugs | v3.0.0 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/13482/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_60.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/13482/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_79.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HDFS-Build/13482/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_60.txt
 
https://builds.apache.org/job/PreCommit-HDFS-Build/13482/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_79.txt
 |
| JDK v1.7.0_79  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/13482/testReport/ |
| asflicense | 
https://builds.apache.org/job/PreCommit-HDFS-Build/13482/artifact/patchprocess/patch-asflicense-problems.txt
 |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Max memory used | 227MB |
| Powered by | Apache Yetus   http://yetus.apache.org |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/13482/console |


This message was automatically generated.



> New benchmark throughput tool for striping erasure coding
> ---------------------------------------------------------
>
>                 Key: HDFS-8968
>                 URL: https://issues.apache.org/jira/browse/HDFS-8968
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Rui Li
>         Attachments: HDFS-8968-HDFS-7285.1.patch, 
> HDFS-8968-HDFS-7285.2.patch, HDFS-8968.3.patch, HDFS-8968.4.patch, 
> HDFS-8968.5.patch
>
>
> We need a new benchmark tool to measure the throughput of client writing and 
> reading considering cases or factors:
> * 3-replica or striping;
> * write or read, stateful read or positional read;
> * which erasure coder;
> * striping cell size;
> * concurrent readers/writers using processes or threads.
> The tool should be easy to use and better to avoid unnecessary local 
> environment impact, like local disk.



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