摘要: OutputFormat在hadoop源码中是一个抽象类 public abstract class OutputFormat<K, V>,其定义了reduce任务的输出格式 https://github.com/apache/hadoop/blob/master/hadoop-mapreduce- 阅读全文
posted @ 2020-11-16 14:54 tonglin0325 阅读(254) 评论(0) 推荐(0) 编辑