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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9144) Refactor libhdfs into stateful/ephemeral objects
Date Thu, 12 Nov 2015 14:20:11 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15002148#comment-15002148
] 

Hadoop QA commented on HDFS-9144:
---------------------------------

| (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:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m 0s {color} | {color:red}
The patch doesn't appear to include any new or modified tests. Please justify why no new tests
are needed for this patch. Also please list what manual steps were performed to verify this
patch. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 32s {color}
| {color:green} HDFS-8707 passed {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red} 1m 26s {color} | {color:red}
root in HDFS-8707 failed with JDK v1.8.0_60. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red} 1m 18s {color} | {color:red}
root in HDFS-8707 failed with JDK v1.7.0_79. {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 0s {color} | {color:green}
HDFS-8707 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 0s {color}
| {color:green} HDFS-8707 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 0s {color} | {color:green}
HDFS-8707 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 0s {color} | {color:green}
HDFS-8707 passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 0s {color}
| {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red} 1m 33s {color} | {color:red}
root in the patch failed with JDK v1.8.0_60. {color} |
| {color:red}-1{color} | {color:red} cc {color} | {color:red} 1m 33s {color} | {color:red}
root in the patch failed with JDK v1.8.0_60. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 1m 33s {color} | {color:red}
root in the patch failed with JDK v1.8.0_60. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red} 1m 29s {color} | {color:red}
root in the patch failed with JDK v1.7.0_79. {color} |
| {color:red}-1{color} | {color:red} cc {color} | {color:red} 1m 29s {color} | {color:red}
root in the patch failed with JDK v1.7.0_79. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 1m 29s {color} | {color:red}
root in the patch failed with JDK v1.7.0_79. {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 0s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 0s {color}
| {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m 0s {color} | {color:red}
The patch has 12 line(s) that end in whitespace. Use git apply --whitespace=fix. {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m 0s {color} | {color:red}
The patch has 3 line(s) with tabs. {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green} 0m 2s {color} | {color:green}
The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 0s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 0s {color} | {color:green}
the patch passed {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m 26s {color} | {color:red}
Patch generated 426 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 10m 57s {color} | {color:black}
{color} |
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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 Issue | HDFS-9144 |
| GITHUB PR | https://github.com/apache/hadoop/pull/43 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  xml  cc
 |
| uname | Linux be7da899a6d3 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@2/patchprocess/apache-yetus-fa12328/precommit/personality/hadoop.sh
|
| git revision | HDFS-8707 / 3ce4230 |
| compile | https://builds.apache.org/job/PreCommit-HDFS-Build/13485/artifact/patchprocess/branch-compile-root-jdk1.8.0_60.txt
|
| compile | https://builds.apache.org/job/PreCommit-HDFS-Build/13485/artifact/patchprocess/branch-compile-root-jdk1.7.0_79.txt
|
| compile | https://builds.apache.org/job/PreCommit-HDFS-Build/13485/artifact/patchprocess/patch-compile-root-jdk1.8.0_60.txt
|
| cc | https://builds.apache.org/job/PreCommit-HDFS-Build/13485/artifact/patchprocess/patch-compile-root-jdk1.8.0_60.txt
|
| javac | https://builds.apache.org/job/PreCommit-HDFS-Build/13485/artifact/patchprocess/patch-compile-root-jdk1.8.0_60.txt
|
| compile | https://builds.apache.org/job/PreCommit-HDFS-Build/13485/artifact/patchprocess/patch-compile-root-jdk1.7.0_79.txt
|
| cc | https://builds.apache.org/job/PreCommit-HDFS-Build/13485/artifact/patchprocess/patch-compile-root-jdk1.7.0_79.txt
|
| javac | https://builds.apache.org/job/PreCommit-HDFS-Build/13485/artifact/patchprocess/patch-compile-root-jdk1.7.0_79.txt
|
| whitespace | https://builds.apache.org/job/PreCommit-HDFS-Build/13485/artifact/patchprocess/whitespace-eol.txt
|
| whitespace | https://builds.apache.org/job/PreCommit-HDFS-Build/13485/artifact/patchprocess/whitespace-tabs.txt
|
| JDK v1.7.0_79  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/13485/testReport/
|
| asflicense | https://builds.apache.org/job/PreCommit-HDFS-Build/13485/artifact/patchprocess/patch-asflicense-problems.txt
|
| modules | C: . hadoop-common-project hadoop-hdfs-project hadoop-hdfs-project/hadoop-hdfs-native-client
U: . |
| Max memory used | 227MB |
| Powered by | Apache Yetus   http://yetus.apache.org |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/13485/console |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/13485/console |


This message was automatically generated.



> Refactor libhdfs into stateful/ephemeral objects
> ------------------------------------------------
>
>                 Key: HDFS-9144
>                 URL: https://issues.apache.org/jira/browse/HDFS-9144
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>    Affects Versions: HDFS-8707
>            Reporter: Bob Hansen
>            Assignee: Bob Hansen
>         Attachments: HDFS-9144.HDFS-8707.001.patch, HDFS-9144.HDFS-8707.002.patch
>
>
> In discussion for other efforts, we decided that we should separate several concerns:
> * A posix-like FileSystem/FileHandle object (stream-based, positional reads)
> * An ephemeral ReadOperation object that holds the state for reads-in-progress, which
consumes
> * An immutable FileInfo object which holds the block map and file size (and other metadata
about the file that we assume will not change over the life of the file)



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