开源大数据平台 E-MapReduce python 的相关内容

E-MapReduce在Pyspark中如何指定python 3的版本

Python实现一个最简单的MapReduce编程模型WordCount

MapReduce编程模型：Map：映射过程Reduce：合并过程import operator from functools import reduce # 需要处理的数据 lst = [ "Tom", "Jack", "Mimi", "Jiji",...

python调用mrjob实现hadoop的mapreduce日志解析

咱们一般写mapreduce是通过java和streaming来写的，身为pythoner的我， java不会，没办法就用streaming来写mapreduce日志分析。这里要介绍一个模块，是基于streaming搞的东西。 mrjob 可以让用 Python 来编写 MapReduce 运算...

使用python构建基于hadoop的mapreduce日志分析平台

原创rfyiamcool2013-12-12 23:51:47评论(11)4411人阅读流量比较大的日志要是直接写入Hadoop对Namenode负载过大，所以入库前合并，可以把各个节点的日志凑并成一个文件写入HDFS。根据情况定期合成，写入到hdfs里面。咱们看看日志的大小，200G的dns...

【问题】spark运行python写的mapreduce任务，hadoop平台报错，java.net.ConnectException: 连接超时

问题：用spark-submit以yarn-client方式提交任务，在集群的某些节点上的任务出现连接超时的错误，排查过各种情况后，确定在防火墙配置上出现问题。原因：我猜测是python程序启动后，作为Server，hadoop中资源调度是以java程序作为Client端访问， Python启...

使用python构建基于hadoop的mapreduce日志分析平台

出处：http://rfyiamcool.blog.51cto.com/1030776/1340057 流量比较大的日志要是直接写入Hadoop对Namenode负载过大，所以入库前合并，可以把各个节点的日志凑并成一个...

E-MapReduce多版本 Python 使用说明是什么?

从 E-MapReduce 的 2.0.0 版本开始，支持多个 Python 版本。版本列表如下：版本包含库安装位置2.62.7.11numpy/usr/local/Python-2.7.11/3.4.4numpy/usr/local/Python-3.4.4/ 如果要使用，请在对应的脚本中写全...

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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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