Hi Mohammad, I already started looking into first approach. But, it seems very tedious.
Can you shed some light on possible limitation that a java action will hinder my objective. Sent from my iPhone > On Nov 25, 2014, at 1:55 AM, Mohammad Islam <[email protected]> > wrote: > > Hi Anil,I never used Chain(Mapper/Reducer).I think in Oozie you have two > options:1. Run an independent hadoop job. For RM/JHS UI, go to the job > configurations page. Identify what are the properties added for ChainMR. Come > back to Oozie workflow.xml. Add those properties into the MR action > configuration section. This is preferable approach. > 2. Write a java action that will submit your job following the ChainMR > concept. However, this has some shortcomings. > Regards,Mohammad > > > On Monday, November 24, 2014 5:21 PM, anil gupta <[email protected]> > wrote: > > > Hi, > > I am using Yarn 2.4.0 and Oozie 4.0. I have to use ChainReducer in one of > my MapReduce job. I was trying to look for an example to setup ChainReducer > in Oozie workflow but could not find it. Also, the jobconf setup of > ChainReducer is slightly different from a normal Hadoop job. So, i cannot > setup this job just like a simple oozie workflow. > Can anyone point me to a documentation/post that could help me understand > how to achieve this. > My MR job has following flow: Mapper -> Reducer-> Mapper > > -- > Thanks & Regards, > Anil Gupta > >
