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https://issues.apache.org/jira/browse/HDFS-6869?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14101944#comment-14101944
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Rishi Pidva commented on HDFS-6869:
-----------------------------------
The question I have is do datanode logs directory really need to have
permission as 700? It looks to be the umask is set to 077 in case of secure DN
which leads to all files being created with permission 600. Will be nice to
know the reason behind it.
> Logfile mode in secure datanode is expected to be 644
> -----------------------------------------------------
>
> Key: HDFS-6869
> URL: https://issues.apache.org/jira/browse/HDFS-6869
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Reporter: Guo Ruijing
>
> Logfile mode in secure datanode is expected to be 644.
> [root@centos64-2 hadoop-hdfs]# ll
> total 136
> -rw-r--r-- 1 hdfs hadoop 19455 Aug 18 22:40
> hadoop-hdfs-journalnode-centos64-2.log
> -rw-r--r-- 1 hdfs hadoop 718 Aug 18 22:38
> hadoop-hdfs-journalnode-centos64-2.out
> -rw-r--r-- 1 hdfs hadoop 62316 Aug 18 22:40
> hadoop-hdfs-namenode-centos64-2.log
> -rw-r--r-- 1 hdfs hadoop 718 Aug 18 22:38
> hadoop-hdfs-namenode-centos64-2.out
> -rw-r--r-- 1 hdfs hadoop 15485 Aug 18 22:39 hadoop-hdfs-zkfc-centos64-2.log
> -rw-r--r-- 1 hdfs hadoop 718 Aug 18 22:39 hadoop-hdfs-zkfc-centos64-2.out
> drwxr-xr-x 2 hdfs root 4096 Aug 18 22:38 hdfs
> -rw-r--r-- 1 hdfs hadoop 0 Aug 18 22:38 hdfs-audit.log
> -rw-r--r-- 1 hdfs hadoop 15029 Aug 18 22:40 SecurityAuth-hdfs.audit
> [root@centos64-2 hadoop-hdfs]#
> [root@centos64-2 hadoop-hdfs]#
> [root@centos64-2 hadoop-hdfs]# ll hdfs/
> total 52
> -rw------- 1 hdfs hadoop 43526 Aug 18 22:41
> hadoop-hdfs-datanode-centos64-2.log <<< expected -rw-r--r-- (same with
> namenode log)
> -rw-r--r-- 1 root root 734 Aug 18 22:38
> hadoop-hdfs-datanode-centos64-2.out
> -rw------- 1 root root 343 Aug 18 22:38 jsvc.err
> -rw------- 1 root root 0 Aug 18 22:38 jsvc.out
> -rw------- 1 hdfs hadoop 0 Aug 18 22:38 SecurityAuth-hdfs.audit
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