better if you can provide more context. maybe you can go to the MR job's page and get mapper/reducer log to help analysis
On Wed, Apr 6, 2016 at 10:19 PM, Yagyank Chadha <[email protected]> wrote: > Hi developers > > I am trying to run sample cube given here( > http://kylin.apache.org/docs15/tutorial/kylin_sample.html). But I am > getting the below error on step 2 (Step Name: Extract Fact Table Distinct > Columns). > > error > > *Exception: null > Counters: 38 > File System Counters > FILE: Number of bytes read=48266921 > FILE: Number of bytes written=102875852 > FILE: Number of read operations=0 > FILE: Number of large read operations=0 > FILE: Number of write operations=0 > HDFS: Number of bytes read=53331592 > HDFS: Number of bytes written=214609 > HDFS: Number of read operations=107 > HDFS: Number of large read operations=0 > HDFS: Number of write operations=6 > Map-Reduce Framework > Map input records=10000 > Map output records=63 > Map output bytes=254072 > Map output materialized bytes=254405 > Input split bytes=1595 > Combine input records=63 > Combine output records=63 > Reduce input groups=63 > Reduce shuffle bytes=254405 > Reduce input records=63 > Reduce output records=0 > Spilled Records=126 > Shuffled Maps =1 > Failed Shuffles=0 > Merged Map outputs=1 > GC time elapsed (ms)=257 > CPU time spent (ms)=0 > Physical memory (bytes) snapshot=0 > Virtual memory (bytes) snapshot=0 > Total committed heap usage (bytes)=2077753344 > Shuffle Errors > BAD_ID=0 > CONNECTION=0 > IO_ERROR=0 > WRONG_LENGTH=0 > WRONG_MAP=0 > WRONG_REDUCE=0 > File Input Format Counters > Bytes Read=0 > File Output Format Counters > Bytes Written=128* > > > > -- > Regards > *Yagyank chadha* > > *Undergraduate student* > *Computer Science Engineering* > *Thapar University, Patiala* > -- Regards, *Bin Mahone | 马洪宾* Apache Kylin: http://kylin.io Github: https://github.com/binmahone
