hadoop jobtracker 的相关内容

文章 2024-01-18 来自：开发者社区

Hadoop的JobTracker和TaskTracker在MapReduce中的作用是什么？

Hadoop的JobTracker和TaskTracker在MapReduce中的作用是什么？在Hadoop的MapReduce框架中，JobTracker和TaskTracker是两个关键组件，分别扮演着不同的角色。JobTracker：JobTracker是MapReduce的主要组件之一，负责协调和管理整个作业（Job）的执行过程。JobTracker接收客户端提交的作业请求，并将作业划分....

文章 2022-02-16 来自：开发者社区

hadoop中NameNode、DataNode、Secondary、NameNode、JobTracker TaskTracker介绍

问题导读：1.job的本质是什么？ 2.任务的本质是什么？ 3.文件系统的Namespace由谁来管理，Namespace的作用是什么？ 4.Namespace 镜像文件(Namespace image)和操作日志文件(edit log)文件的作用是什么？ 5.Namenode记录着每个文件中各个块所在的数据节点的位置信息，但是他并不持久化存储这些信息，为什么？ 6.客户端读写某个数据时，是否通....

问答 2022-02-15 来自：开发者社区

YARN 框架可以将 Hadoop 1.x 版本中的 JobTracker拆分为哪2个部分？

问答 2022-02-15 来自：开发者社区

在Hadoop中解释JobTracker

共有4条

< 1 >

跳转至： GO

更新时间 2024-07-26 22:03:41

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