Turning off Speculative Execution
I am running hadoop 0.20 and hive 07 , and my conf/mapred-site.xml says speculative execution is false. Yet when I examine the joblog xml of the running job it says speculative execution is true , and I see occasions where it has started mutiple executions of a reduce .How can I turn speculative execution off given my mapred-site.xml ?John YardtechnicolorSee More
