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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7163) WebHdfsFileSystem should retry reads according to the configured retry policy.
Date Tue, 22 Dec 2015 17:35:47 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15068445#comment-15068445
] 

Hadoop QA commented on HDFS-7163:
---------------------------------

| (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 0s {color} | {color:blue}
Docker mode activated. {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 6 new or modified test files. {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red} 7m 32s {color} | {color:red}
root in trunk failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red} 1m 26s {color} | {color:red}
hadoop-hdfs-project in trunk failed with JDK v1.8.0_66. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red} 0m 30s {color} | {color:red}
hadoop-hdfs-project in trunk failed with JDK v1.7.0_91. {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 21s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 25s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 27s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m 40s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 23s {color} |
{color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 10s {color} |
{color:green} trunk passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 21s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 25s {color} |
{color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 8m 13s {color} | {color:red}
hadoop-hdfs-project-jdk1.8.0_66 with JDK v1.8.0_66 generated 4 new issues (was 91, now 49).
{color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 25s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 33s {color} |
{color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 9m 46s {color} | {color:red}
hadoop-hdfs-project-jdk1.7.0_91 with JDK v1.7.0_91 generated 39 new issues (was 14, now 51).
{color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 33s {color} | {color:green}
the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 20s {color} | {color:red}
Patch generated 3 new checkstyle issues in hadoop-hdfs-project (total was 58, now 61). {color}
|
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 24s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 26s {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} 3m 58s {color} |
{color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red} 3m 41s {color} | {color:red}
hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66 with JDK v1.8.0_66 generated 7 new issues (was
7, now 14). {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 22s {color} |
{color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red} 6m 11s {color} | {color:red}
hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91 with JDK v1.7.0_91 generated 7 new issues (was
7, now 14). {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 8s {color} | {color:green}
the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 50s {color} | {color:green}
hadoop-hdfs-client in the patch passed with JDK v1.8.0_66. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 52m 27s {color} | {color:red}
hadoop-hdfs in the patch failed with JDK v1.8.0_66. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 58s {color} | {color:green}
hadoop-hdfs-client in the patch passed with JDK v1.7.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 51m 1s {color} | {color:red}
hadoop-hdfs in the patch failed with JDK v1.7.0_91. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 23s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 141m 3s {color} | {color:black}
{color} |
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|| Reason || Tests ||
| JDK v1.8.0_66 Failed junit tests | hadoop.hdfs.TestReadStripedFileWithDecoding |
|   | hadoop.hdfs.server.namenode.TestNNThroughputBenchmark |
|   | hadoop.hdfs.server.blockmanagement.TestPendingInvalidateBlock |
|   | hadoop.hdfs.TestDFSClientRetries |
|   | hadoop.hdfs.server.datanode.TestBlockScanner |
| JDK v1.7.0_91 Failed junit tests | hadoop.hdfs.server.namenode.TestNNThroughputBenchmark
|
|   | hadoop.hdfs.server.datanode.TestBlockReplacement |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12778363/HDFS-7163.005.patch
|
| JIRA Issue | HDFS-7163 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 0c6902d0df4a 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 | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 70d6f20 |
| mvninstall | https://builds.apache.org/job/PreCommit-HDFS-Build/13977/artifact/patchprocess/branch-mvninstall-root.txt
|
| compile | https://builds.apache.org/job/PreCommit-HDFS-Build/13977/artifact/patchprocess/branch-compile-hadoop-hdfs-project-jdk1.8.0_66.txt
|
| compile | https://builds.apache.org/job/PreCommit-HDFS-Build/13977/artifact/patchprocess/branch-compile-hadoop-hdfs-project-jdk1.7.0_91.txt
|
| findbugs | v3.0.0 |
| javac | hadoop-hdfs-project-jdk1.8.0_66: https://builds.apache.org/job/PreCommit-HDFS-Build/13977/artifact/patchprocess/diff-compile-javac-hadoop-hdfs-project-jdk1.8.0_66.txt
|
| javac | hadoop-hdfs-project-jdk1.7.0_91: https://builds.apache.org/job/PreCommit-HDFS-Build/13977/artifact/patchprocess/diff-compile-javac-hadoop-hdfs-project-jdk1.7.0_91.txt
|
| checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/13977/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project.txt
|
| javadoc | hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66: https://builds.apache.org/job/PreCommit-HDFS-Build/13977/artifact/patchprocess/diff-javadoc-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
|
| javadoc | hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91: https://builds.apache.org/job/PreCommit-HDFS-Build/13977/artifact/patchprocess/diff-javadoc-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/13977/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/13977/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HDFS-Build/13977/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
https://builds.apache.org/job/PreCommit-HDFS-Build/13977/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91.txt
|
| JDK v1.7.0_91  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/13977/testReport/
|
| modules | C: hadoop-hdfs-project/hadoop-hdfs hadoop-hdfs-project/hadoop-hdfs-client U: hadoop-hdfs-project
|
| Max memory used | 74MB |
| Powered by | Apache Yetus 0.2.0-SNAPSHOT   http://yetus.apache.org |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/13977/console |


This message was automatically generated.



> WebHdfsFileSystem should retry reads according to the configured retry policy.
> ------------------------------------------------------------------------------
>
>                 Key: HDFS-7163
>                 URL: https://issues.apache.org/jira/browse/HDFS-7163
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: webhdfs
>    Affects Versions: 3.0.0, 2.5.1
>            Reporter: Eric Payne
>            Assignee: Eric Payne
>         Attachments: HDFS-7163-branch-2.003.patch, HDFS-7163-branch-2.004.patch, HDFS-7163-branch-2.7.003.patch,
HDFS-7163-branch-2.7.004.patch, HDFS-7163.001.patch, HDFS-7163.002.patch, HDFS-7163.003.patch,
HDFS-7163.004.patch, HDFS-7163.005.patch, WebHDFS Read Retry.pdf
>
>
> In the current implementation of WebHdfsFileSystem, opens are retried according to the
configured retry policy, but not reads. Therefore, if a connection goes down while data is
being read, the read will fail and the read will have to be retried by the client code.
> Also, after a connection has been established, the next read (or seek/read) will fail
and the read will have to be restarted by the client code.



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