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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9552) Document types of permission checks performed for HDFS operations.
Date Thu, 17 Dec 2015 00:26:46 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15061210#comment-15061210
] 

Hadoop QA commented on HDFS-9552:
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| (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} mvnsite {color} | {color:green} 0m 53s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 49s {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 58 line(s) that end in whitespace. Use git apply --whitespace=fix. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 17s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 2m 14s {color} | {color:black}
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12778130/HDFS-9552.003.patch
|
| JIRA Issue | HDFS-9552 |
| Optional Tests |  asflicense  mvnsite  |
| uname | Linux 41534912c4b7 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 / 3c0adac |
| whitespace | https://builds.apache.org/job/PreCommit-HDFS-Build/13908/artifact/patchprocess/whitespace-eol.txt
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| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Max memory used | 29MB |
| Powered by | Apache Yetus 0.2.0-SNAPSHOT   http://yetus.apache.org |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/13908/console |


This message was automatically generated.



> Document types of permission checks performed for HDFS operations.
> ------------------------------------------------------------------
>
>                 Key: HDFS-9552
>                 URL: https://issues.apache.org/jira/browse/HDFS-9552
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: documentation
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>         Attachments: HDFS-9552.001.patch, HDFS-9552.002.patch, HDFS-9552.003.patch, hadoop-site.tar.bz2
>
>
> The HDFS permissions guide discusses our use of a POSIX-like model with read, write and
execute permissions associated with users, groups and the catch-all other class.  However,
there is no documentation that describes exactly what permission checks are performed by user-facing
HDFS operations.  This is a frequent source of questions, so it would be good to document
this.



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