Since you intermediate table is merely 200M, each mapper deals with 100M fact table. This is not very heavy for a mapper. Have you checked the log for the mapper to know what is it doing in the 3600s?
On Thu, Jun 16, 2016 at 10:35 AM, hongbin ma <[email protected]> wrote: > 3.7 GB of 8.4 GB virtual memory used > > do you have any idea why the container is using lots of virtual memory? > is there any heavy contention on the memory resource? Not sure if it's the > root cause for slow mappers > > > > -- > Regards, > > *Bin Mahone | 马洪宾* > Apache Kylin: http://kylin.io > Github: https://github.com/binmahone > -- Regards, *Bin Mahone | 马洪宾* Apache Kylin: http://kylin.io Github: https://github.com/binmahone
