[
https://issues.apache.org/jira/browse/HADOOP-5686?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sreekanth Ramakrishnan reassigned HADOOP-5686:
----------------------------------------------
Assignee: Sreekanth Ramakrishnan
> Tasks execed by the task controller shouldn't inherit tasktracker groups
> ------------------------------------------------------------------------
>
> Key: HADOOP-5686
> URL: https://issues.apache.org/jira/browse/HADOOP-5686
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Environment: hadoo 0.20 + patches, Linux Task controller
> Reporter: Rajiv Chittajallu
> Assignee: Sreekanth Ramakrishnan
>
> Mapred tasks process seem to inherit the group list from the TaskTracker
> daemon instead of the task owner.
> tom 26633 15736 0 21:33 ? 00:00:02 /usr/bin/java ...
> org.apache.hadoop.mapred.Child 127.0.0.1 51207 ..
> mapred 15736 1 2 Apr08 ? 03:54:59 /usr/bin/java ...
> org.apache.hadoop.mapred.TaskTracker
> hadoop1:~$ id mapred
> uid=50589(mapred) gid=100(users) groups=100(users),20001(hadoop)
> hadoop1:~$ fgrep Groups /proc/26633/status
> Groups: 100 20001
> hadoop1:~$ id tom
> uid=47765(tom) gid=100(users) groups=100(users),10764(ninjas)
> org.apache.hadoop.mapred.LinuxTaskController should set the user
> supplimentary group list.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
