16/05/19 21:46:15 INFO mapreduce.Job: map 0% reduce 0%
16/05/19 21:46:23 INFO mapreduce.Job: Task Id : attempt_1463665505632_0001_m_000000_0, Status : FAILED
Error: Java heap space
16/05/19 21:46:30 INFO mapreduce.Job: Task Id : attempt_1463665505632_0001_m_000000_1, Status : FAILED
Error: Java heap space
16/05/19 21:46:38 INFO mapreduce.Job: Task Id : attempt_1463665505632_0001_m_000000_2, Status : FAILED
Error: Java heap space
16/05/19 21:46:46 INFO mapreduce.Job: map 100% reduce 100%
16/05/19 21:46:47 INFO mapreduce.Job: Job job_1463665505632_0001 failed with state FAILED due to: Task failed task_1463665505632_0001_m_000000
Job failed as tasks failed. failedMaps:1 failedReduces:0
已经设置了mapred.child.java.opts:为-Xxm1024但是换是Java heap space
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