hadoop ntp 的相关内容

文章 2022-02-17 来自：开发者社区

java,mysql,hadoop,cdh,hive,spark,ntp,zookeeper,kafka,storm,redis,flume,git 安装详解

顶部 ---------------------------------------------------------------------------------------------------------------------------------- 0.关闭防火墙 1.修改hosts 2.检查每台机器的 hostname 3.安装jdk 4.网络、ho...

问答 2021-12-06 来自：开发者社区

Hadoop集群配置中修改ntp配置文件，路径：/etc/ntp.conf的操作步骤是什么？

文章 2017-05-29 来自：开发者社区

datenode节点超时时间设置，Hadoop启动不正常,HDFS冗余数据块的自动删除,NameNode安全模式问题,ntp时间服务同步,机架感知配置

1.Hadoop datanode节点超时时间设置 datanode进程死亡或者网络故障造成datanode无法与namenode通信，namenode不会立即把该节点判定为死亡，要经过一段时间，这段时间暂称作超时时长。HDFS默认的超时时长为10分钟+30秒。如果定义超时时间为timeout，则超时时长的计算公式为： &nb...

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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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