hadoop jps节点的相关内容

阿里云文档 2023-09-13

如何在Hadoop、Datascience和EMRStudio集群中管理节点组_EMR on ECS_开源大数据平台 E-MapReduce(EMR)

本文为您介绍如何新增、修改和删除节点组。

文章 2017-09-01 来自：开发者社区

hadoop集群运行jps命令以后Datanode节点未启动的解决办法

出现该问题的原因：在第一次格式化dfs后，启动并使用了hadoop，后来又重新执行了格式化命令（hdfs namenode -format)，这时namenode的clusterID会重新生成，而datanode的clusterID 保持不变。 1：其实网上已经有解决办法了，这里自己脑补一下，也可以让别人看到我是怎么解决的。出现这个问题主要是和配置这个文件相关：core-site.xml； ...

文章 2016-11-27 来自：开发者社区

hadoop2.5.2 启动成功后，用jps查看节点：发现少了DataNode

使用less ~/hadoop-2.5.2/logs/hadoop-zkpk-datanode-pxe01.log 查看日志得知： datanode的clusterID 和 namenode的clusterID 不匹配。解决办法: 1.找到 ~/hadoopdata/dfs/name/current/VERSION 里的 clusterID 2.复制clusterID到各个没...

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开源大数据平台 E-MapReduce

开源大数据平台 E-MapReduce（简称“EMR”）是云原生开源大数据平台，向客户提供简单易集成的Hadoop、Hive、Spark、Flink、Presto、ClickHouse、StarRocks、Delta、Hudi等开源大数据计算和存储引擎服务。

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