Hadoop MapReduce示例停留在运行作业上 [英] Hadoop map reduce example stuck on Running job

问题描述

我正在尝试在hadoop中运行mapreduce示例.我正在使用2.7.2版.我尝试跑步

I am trying to run a mapreduce example in hadoop. I am using version 2.7.2. I tried running

bin/hadoop jar libexec/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.2.jar grep input output 'dfs[a-z.]+'

并且mapreduce停留在正在运行的作业上，并且无法继续前进.

and the mapreduce stuck at running job and does not advance any further.

它显示

该如何解决?

推荐答案

我明白了.它作为空间问题.我的硬盘容量为500 GB.已用空间不应超过90％.就我而言，仅剩30GB.我通过删除应用程序和文件来清理一些spce.运行良好.

I got it guys. It as the space problem. My HDD is 500 GB capacity. The used space should not exceed 90%. In my case there was only 30GB left. I cleaned up some spce by deleting Apps and Files. Its running Good.

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