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From "Manoj Govindassamy (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10689) "hdfs dfs -chmod 777" does not remove sticky bit
Date Tue, 26 Jul 2016 02:19:20 GMT
Manoj Govindassamy created HDFS-10689:
-----------------------------------------

             Summary: "hdfs dfs -chmod 777" does not remove sticky bit
                 Key: HDFS-10689
                 URL: https://issues.apache.org/jira/browse/HDFS-10689
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: fs
            Reporter: Manoj Govindassamy
            Assignee: Manoj Govindassamy
            Priority: Minor



When a directory permission is modified using hdfs dfs chmod command and when octal/numeric
format is used, the leading sticky bit is not fully honored.

1. Create a dir dir_test_with_sticky_bit
2. Apply sticky bit permission on the dir : hdfs dfs -chmod 1755 /dir_test_with_sticky_bit
3. Remove sticky bit permission on the dir: hdfs dfs -chmod 755 /dir_test_with_sticky_bit

Expected: Remove the sticky bit on the dir, as it happens on Mac/Linux native filesystem with
native chmod.

4. However, removing sticky bit permission by explicitly turning off the bit works. hdfs dfs
-chmod 0755 /dir_test_with_sticky_bit

{noformat}
manoj@~/work/hadev-pp: hdfs dfs -chmod 1755 /dir_test_with_sticky_bit
manoj@~/work/hadev-pp: hdfs dfs -ls /
Found 2 items
drwxr-xr-t   - manoj supergroup          0 2016-07-25 11:42 /dir_test_with_sticky_bit
drwxr-xr-x   - manoj supergroup          0 2016-07-25 11:42 /user

manoj@~/work/hadev-pp: hdfs dfs -chmod 755 /dir_test_with_sticky_bit
manoj@~/work/hadev-pp: hdfs dfs -ls /
Found 2 items
drwxr-xr-t   - manoj supergroup          0 2016-07-25 11:42 /dir_test_with_sticky_bit  <===
sticky bit still intact
drwxr-xr-x   - manoj supergroup          0 2016-07-25 11:42 /user

manoj@~/work/hadev-pp: hdfs dfs -chmod 0755 /dir_test_with_sticky_bit
manoj@~/work/hadev-pp: hdfs dfs -ls /
Found 2 items
drwxr-xr-x   - manoj supergroup          0 2016-07-25 11:42 /dir_test_with_sticky_bit
drwxr-xr-x   - manoj supergroup          0 2016-07-25 11:42 /user
manoj@~/work/hadev-pp: 
{noformat}






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