Java开发问题

Using Hadoop for the First Time, MapReduce Job does not run Reduce Phase(首次使用 Hadoop,MapReduce Job 不运行 Reduce Phase)
Chaining Multi-Reducers in a Hadoop MapReduce job(在 Hadoop MapReduce 作业中链接 Multi-Reducer)
HDFS write resulting in quot; CreateSymbolicLink error (1314): A required privilege is not held by the client.quot;(HDFS 写入导致CreateSymbolicLink 错误 (1314):客户端未持有所需的权限.)
YarnException: Unauthorized request to start container(YarnException:启动容器的未经授权的请求)
How can I access the Mapper/Reducer counters on the Output stage?(如何访问输出阶段的 Mapper/Reducer 计数器?)
Secondary sorting in Map-Reduce(Map-Reduce 中的二次排序)
How to read multiple image files as input from hdfs in map-reduce?(如何在 map-reduce 中从 hdfs 读取多个图像文件作为输入?)
Hadoop MapReduce - one output file for each input(Hadoop MapReduce - 每个输入一个输出文件)
Propagating custom configuration values in Hadoop(在 Hadoop 中传播自定义配置值)
Hadoop: How does OutputCollector work during MapReduce?(Hadoop:在 MapReduce 期间 OutputCollector 如何工作?)
Hadoop : JPS can not find Java installed(Hadoop:JPS 找不到安装的 Java)
Serialization using ArrayWritable seems to work in a funny way(使用 ArrayWritable 的序列化似乎以一种有趣的方式工作)