You need to set up Job ACLs. See http://hadoop.apache.org/docs/stable/mapred_tutorial.html#Job+Authorization.
It is a per job configuration, you can provide with defaults. If the job owner wishes to give others access, he/she can do so. Thanks, +Vinod Kumar Vavilapalli Hortonworks Inc. http://hortonworks.com/ On Jul 30, 2013, at 11:21 AM, Murat Odabasi wrote: > Hi there, > > I am trying to introduce some sort of security to prevent different > people using the cluster from interfering with each other's jobs. > > Following the instructions at > http://hadoop.apache.org/docs/stable/cluster_setup.html and > https://www.inkling.com/read/hadoop-definitive-guide-tom-white-3rd/chapter-9/security > , this is what I put in my mapred-site.xml: > > <property> > <name>mapred.task.tracker.task-controller</name> > <value>org.apache.hadoop.mapred.LinuxTaskController</value> > </property> > > <property> > <name>mapred.acls.enabled</name> > <value>true</value> > </property> > > I can see the configuration parameters in the job configuration when I > run a hive query, but the users are still able to kill each other's > jobs. > > Any ideas about what I may be missing? > Any alternative approaches I can adopt? > > Thanks.
