hive>select COUNT(*) from movies; 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_1404661589735_0002, Tracking URL = http://gonephishing:8088/proxy/application_1404661589735_0002/ Kill Command = /usr/local/hadoop/bin/hadoop job -kill job_1404661589735_0002 Hadoop job information for Stage-1: number of mappers: 0; number of reducers: 0 2014-07-07 10:11:14,770 Stage-1 map = 0%, reduce = 0% Ended Job = job_1404661589735_0002 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
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