Using specific nodes for hadoop 2 jobs

2014-08-05 Thread Robert Chu
Hi everyone, I was wondering if hadoop 2 contains any mechanisms for restricting the nodes that task JVMs are launched on. YARN seems to expose the ability to procure containers on specific hosts through its API, but does the hadoop 2 jobtracker allow you to choose hosts to run on? Robert Chu

Re: Question about YARN security tokens

2014-04-29 Thread Robert Chu
spath' adds) against either a psuedo-distributed-mode cluster or against the MiniYARNCluster. Running applications with the correct hadoop classpath seems to have made any SecretManager errors go away. Robert Robert Chu On Fri, Apr 25, 2014 at 4:53 AM, Oleg Zhurakousky < oleg.zhurakou...@gma

Question about YARN security tokens

2014-04-24 Thread Robert Chu
te. Am I doing something dumb here and is this not related to security tokens? If not, is there documentation or good examples around how to use security tokens while launching an application? Thanks! Robert Chu