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Date: Sun, 17 Sep 2017 18:08:00 +0000 (UTC)
From: "Hadoop QA (JIRA)" <jira@apache.org>
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Message-ID: <JIRA.13013610.1476901633000.132291.1505671680180@Atlassian.JIRA>
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Subject: [jira] [Commented] (HDFS-11035) Better documentation for maintenace
 mode and upgrade domain
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archived-at: Sun, 17 Sep 2017 18:08:07 -0000


    [ https://issues.apache.org/jira/browse/HDFS-11035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16169374#comment-16169374 ] 

Hadoop QA commented on HDFS-11035:
----------------------------------

| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 14s{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:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 14m  6s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 58s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 54s{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:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 15s{color} | {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 16m 50s{color} | {color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:71bbb86 |
| JIRA Issue | HDFS-11035 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12887562/HDFS-11035.patch |
| Optional Tests |  asflicense  mvnsite  |
| uname | Linux 2e8a181b0ece 3.13.0-123-generic #172-Ubuntu SMP Mon Jun 26 18:04:35 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 8d7cc22 |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/21188/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.


> Better documentation for maintenace mode and upgrade domain
> -----------------------------------------------------------
>
>                 Key: HDFS-11035
>                 URL: https://issues.apache.org/jira/browse/HDFS-11035
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, documentation
>    Affects Versions: 2.9.0
>            Reporter: Wei-Chiu Chuang
>            Assignee: Ming Ma
>         Attachments: HDFS-11035.patch
>
>
> HDFS-7541 added upgrade domain and HDFS-7877 added maintenance mode. Existing documentation about these two features are scarce and the implementation have evolved from the original design doc. Looking at code and Javadoc and I still don't quite get how I can get datanodes into maintenance mode/ set up a upgrade domain.
> File this jira to propose that we write an up-to-date description of these two features.


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