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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10548) Remove the long deprecated BlockReaderRemote
Date Wed, 29 Jun 2016 03:25:45 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15354471#comment-15354471
] 

Hadoop QA commented on HDFS-10548:
----------------------------------

| (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 26s{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 5 new or modified test files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 16s{color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 12m 19s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 43s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 36s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 36s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 25s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 17s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 23s{color} |
{color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  8s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 28s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 34s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 34s{color} | {color:green}
the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  0m 29s{color}
| {color:orange} hadoop-hdfs-project: The patch generated 4 new + 71 unchanged - 30 fixed
= 75 total (was 101) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 35s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 22s{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}  3m 46s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 16s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 54s{color} | {color:green}
hadoop-hdfs-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 80m 50s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 27s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}116m 16s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.tools.offlineEditsViewer.TestOfflineEditsViewer |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
|   | hadoop.hdfs.server.datanode.TestDirectoryScanner |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:85209cc |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12814360/HDFS-10548-v2.patch
|
| JIRA Issue | HDFS-10548 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 0f83f938f654 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 / 77031a9 |
| Default Java | 1.8.0_91 |
| findbugs | v3.0.0 |
| checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/15938/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/15938/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/15938/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-client hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project
|
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/15938/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Remove the long deprecated BlockReaderRemote
> --------------------------------------------
>
>                 Key: HDFS-10548
>                 URL: https://issues.apache.org/jira/browse/HDFS-10548
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>         Attachments: HDFS-10548-v1.patch, HDFS-10548-v2.patch
>
>
> To lessen the maintain burden like raised in HDFS-8901, suggest we remove {{BlockReaderRemote}}
class that's deprecated very long time ago. 
> From {{BlockReaderRemote}} header:
> {quote}
>  * @deprecated this is an old implementation that is being left around
>  * in case any issues spring up with the new {@link BlockReaderRemote2}
>  * implementation.
>  * It will be removed in the next release.
> {quote}
> From {{BlockReaderRemote2}} class header:
> {quote}
>  * This is a new implementation introduced in Hadoop 0.23 which
>  * is more efficient and simpler than the older BlockReader
>  * implementation. It should be renamed to BlockReaderRemote
>  * once we are confident in it.
> {quote}
> So even further, after getting rid of the old class, we could rename as the comment suggested:
BlockReaderRemote2 => BlockReaderRemote.



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