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From "Elek, Marton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9902) Shell script rewrite
Date Sun, 01 Oct 2017 16:47:01 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16187463#comment-16187463
] 

Elek, Marton commented on HADOOP-9902:
--------------------------------------

During the test of 3.0.0-beta1-RC0 I noticed that the HADOOP_LOG_DIR should exist and be writable
but the user of the namenode/datanode servers, which was not the case with 2.7/2.8. I started
the namenode/datanode with hdfs user until now, but the owner of hadoop directory was the
hadoop user. It is not working with 3.0.0 without creating a logs directory with the hdfs
user as the owner.

I need to create the HADOOP_LOG_DIR even if I use a custom log4j.properties which doesn't
use hadoop.log.dir variable.

May I suggest to add an additional line to the "incompatible changes. Something like:
"HADOOP_LOG_DIR (which is ${HADOOP_HOME}/logs by default) should exist and writable by the
runtime user. (even if custom log4j configuration is used)" 

> Shell script rewrite
> --------------------
>
>                 Key: HADOOP-9902
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9902
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: scripts
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Allen Wittenauer
>            Assignee: Allen Wittenauer
>              Labels: releasenotes
>             Fix For: 3.0.0-alpha1
>
>         Attachments: HADOOP-9902-10.patch, HADOOP-9902-11.patch, HADOOP-9902-12.patch,
HADOOP-9902-13-branch-2.patch, HADOOP-9902-13.patch, HADOOP-9902-14.patch, HADOOP-9902-15.patch,
HADOOP-9902-16.patch, hadoop-9902-1.patch, HADOOP-9902-2.patch, HADOOP-9902-3.patch, HADOOP-9902-4.patch,
HADOOP-9902-5.patch, HADOOP-9902-6.patch, HADOOP-9902-7.patch, HADOOP-9902-8.patch, HADOOP-9902-9.patch,
HADOOP-9902.patch, HADOOP-9902.txt, more-info.txt
>
>
> Umbrella JIRA for shell script rewrite.  See more-info.txt for more details.



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