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https://issues.apache.org/jira/browse/HDFS-11873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16168677#comment-16168677
 ] 

Hadoop QA commented on HDFS-11873:
----------------------------------

| (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 
15s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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 1 new or modified test 
files. {color} |
|| || || || {color:brown} HDFS-7240 Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 16m 
16s{color} | {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
2s{color} | {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
43s{color} | {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
5s{color} | {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m 
12s{color} | {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
57s{color} | {color:green} HDFS-7240 passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
 7s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
2s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m  
2s{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 2 new + 0 unchanged - 0 fixed = 2 total (was 0) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
0s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m  
5s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
56s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}102m 13s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 
24s{color} | {color:red} The patch generated 10 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}133m 30s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.TestClientProtocolForPipelineRecovery |
|   | hadoop.hdfs.TestLeaseRecoveryStriped |
|   | hadoop.hdfs.TestFileCorruption |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure110 |
|   | hadoop.ozone.web.client.TestKeys |
|   | hadoop.tools.TestHdfsConfigFields |
|   | hadoop.ozone.scm.TestContainerSQLCli |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure100 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure140 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure170 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure060 |
|   | hadoop.hdfs.TestFileAppendRestart |
|   | hadoop.fs.viewfs.TestViewFileSystemHdfs |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure040 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure050 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure070 |
| Timed out junit tests | org.apache.hadoop.hdfs.TestWriteReadStripedFile |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:71bbb86 |
| JIRA Issue | HDFS-11873 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12887426/HDFS-11873-HDFS-7240.002.patch
 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 7ba4c28efa01 3.13.0-117-generic #164-Ubuntu SMP Fri Apr 7 
11:05:26 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | HDFS-7240 / 8dbd035 |
| Default Java | 1.8.0_144 |
| findbugs | v3.1.0-RC1 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/21174/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/21174/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/21174/testReport/ |
| asflicense | 
https://builds.apache.org/job/PreCommit-HDFS-Build/21174/artifact/patchprocess/patch-asflicense-problems.txt
 |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/21174/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Ozone: Object store handler cannot serve multiple requests from single http 
> client
> ----------------------------------------------------------------------------------
>
>                 Key: HDFS-11873
>                 URL: https://issues.apache.org/jira/browse/HDFS-11873
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Weiwei Yang
>            Assignee: Xiaoyu Yao
>            Priority: Critical
>              Labels: ozoneMerge
>         Attachments: HDFS-11873-HDFS-7240.001.patch, 
> HDFS-11873-HDFS-7240.002.patch, HDFS-11873-HDFS-7240.testcase.patch
>
>
> This issue was found when I worked on HDFS-11846. Instead of creating a new 
> http client instance per request, I tried to reuse {{CloseableHttpClient}} in 
> {{OzoneClient}} class in a {{PoolingHttpClientConnectionManager}}. However, 
> every second request from the http client hangs, which could not get 
> dispatched to {{ObjectStoreJerseyContainer}}. There seems to be something 
> wrong in the netty pipeline, this jira aims to 1) fix the problem in the 
> server side 2) use the pool for client http clients to reduce the resource 
> overhead.



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