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From shaik ahamed <shaik5...@gmail.com>
Subject hi all
Date Fri, 06 Jul 2012 11:39:26 GMT
*Hi users,*
**
*              As im selecting the distinct column from the vender Hive
table *
**
*Im getting the below error plz help me in this*
**
*hive> select distinct supplier from vender_sample;*

Total MapReduce jobs = 1
Launching Job 1 out of 1
Number of reduce tasks not specified. Estimated from input data size: 1
In order to change the average load for a reducer (in bytes):
  set hive.exec.reducers.bytes.per.reducer=<number>
In order to limit the maximum number of reducers:
  set hive.exec.reducers.max=<number>
In order to set a constant number of reducers:
  set mapred.reduce.tasks=<number>
Kill Command = /usr/local/hadoop/bin/../bin/hadoop job
-Dmapred.job.tracker=md-trngpoc1:54311 -kill job_201207061535_0005
Hadoop job information for Stage-1: number of mappers: 1; number of
reducers: 1
2012-07-06 17:03:13,978 Stage-1 map = 0%,  reduce = 0%
2012-07-06 17:03:20,001 Stage-1 map = 100%,  reduce = 0%
2012-07-06 17:04:20,248 Stage-1 map = 100%,  reduce = 0%
2012-07-06 17:04:23,262 Stage-1 map = 100%,  reduce = 100%
Ended Job = job_201207061535_0005 with errors
Error during job, obtaining debugging information...
Examining task ID: task_201207061535_0005_m_000002 (and more) from job
job_201207061535_0005

Task with the most failures(4):
-----
Task ID:
  task_201207061535_0005_r_000000
FAILED: Execution Error, return code 2 from
org.apache.hadoop.hive.ql.exec.MapRedTask
MapReduce Jobs Launched:
Job 0: Map: 1  Reduce: 1   HDFS Read: 99143041 HDFS Write: 0 FAIL
Total MapReduce CPU Time Spent: 0 msec

Regards
shaik.

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