在我的双节点集群设置中,我已经运行了几次Hadoop作业(word计数示例),到目前为止,它一直运行得很好。我一直得到一个RuntimeException,它将减缩过程延迟到19%:
2013-04-13 18:45:22,191 INFO org.apache.hadoop.mapred.Task: Task:attempt_201304131843_0001_m_000000_0 is done. And is in the process of commiting
2013-04-13 18:45:22,299 INFO org.apache.hadoop.mapred.