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Re: hive mapred problem
Nitin Pawar 2012-10-08, 10:49
Can you provide with job logs and failed task logs?
On Mon, Oct 8, 2012 at 4:13 PM, Ajit Kumar Shreevastava
<[EMAIL PROTECTED]> wrote:
> Hi,
>
>
>
> When I run the query "select count(1) from pokes;" it fails with the message
> as below.
>
>
>
> hive> select count(1) from pokes;
>
> Total MapReduce jobs = 1
>
> Launching Job 1 out of 1
>
> Number of reduce tasks determined at compile time: 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>
>
> Starting Job = job_201210051717_0015, Tracking URL > http://NHCLT-PC44-2:50030/jobdetails.jsp?jobid=job_201210051717_0015
>
> Kill Command = /home/hadoop/hadoop-1.0.3/bin/hadoop job  -kill
> job_201210051717_0015
>
> Hadoop job information for Stage-1: number of mappers: 0; number of
> reducers: 0
>
> 2012-10-08 15:43:30,351 Stage-1 map = 100%,  reduce = 100%
>
> Ended Job = job_201210051717_0015 with errors
>
> Error during job, obtaining debugging information...
>
> FAILED: Execution Error, return code 2 from
> org.apache.hadoop.hive.ql.exec.MapRedTask
>
> MapReduce Jobs Launched:
>
> Job 0:  HDFS Read: 0 HDFS Write: 0 FAIL
>
> Total MapReduce CPU Time Spent: 0 msec
>
>
>
> Thanks and Regards
>
> Ajit Kumar Shreevastava
>
> ADCOE (App Development Center Of Excellence )
>
> Mobile: 9717775634
>
>
>
>
>
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--
Nitin Pawar