Why org.apache.kylin.job.hadoop.cube.CuboidReducer is running Single Mapper/Reducer for the job. Can I have the understanding behind the reason of running it as single mapper/reducer.
Thanks! On Fri, Jun 12, 2015 at 6:30 PM, Vineet Mishra <[email protected]> wrote: > Hi All, > > I am building a cube using Kylin and I could see that the job is running > with Single Mapper and Reducer for some of the intermediate process such as > > Extract Fact Table Distinct Columns > Build Dimension Dictionary > Build N-Dimension Cuboid > > I am not sure what's the reason behind running the job with single M/R, is > it really necessary or is it some default config. which can be tweaked, its > 70 Mins and the job status is 25% ! > > Urgent Call! > > Thanks! >
