hadoop高性能的相关内容

文章 2024-04-09 来自：开发者社区

centos 部署Hadoop-3.0-高性能集群（二）

上一篇主要说的是安装这一片说说怎么使用启动 [hadoop@146 hadoop-3.0.0]$ ./sbin/start-all.sh 1、查看进程，此时master有进程：namenode和 secondarynamenode进程： ps -axu | grep namenode --color ...

文章 2024-04-09 来自：开发者社区

centos 部署Hadoop-3.0-高性能集群（一）安装

Hadoop概述：Hadoop是一个由Apache基金会所开发的分布式系统基础架构。用户可以在不了解分布式底层细节的情况下，开发分布式程序。充分利用集群的威力进行高速运算和存储。 Hadoop的框架最核心的设计就是：HDFS和MapReduce。HDFS分布式文件系统为海量的数据提供了存储，则MapReduce为海量的数据提供了计算。网方网站：http://hadoop.apa...

文章 2022-02-17 来自：开发者社区

基于Hadoop生态系统的一种高性能数据存储格式CarbonData（性能篇）

一、评测环境 1）网络拓扑图 2）配置参数 Ø 服务器配置二、性能对比目前主流hadoop的文件存储格式有行存储的CSV格式，列式存储的ORC和Parquet等。本章给出的是Parquet+Spark和CarbonData+Spark在过滤查询场景和聚合计算场景的性能测试结果。 1）测试数据创建沈阳社保的数据仓库，导入、集成1年的测试数据，如下表：生成CarbonData格式文件...

文章 2022-02-15 来自：开发者社区

【Hadoop Summit Tokyo 2016】Columnar Era：利用Parquet，Arrow and Kudu获取高性能

本讲义出自 Julien Le Dem在Hadoop Summit Tokyo 2016上的演讲，主要介绍了Columnar Era是利用Parquet，Arrow and Kudu获取数据计算的高性能的，并且分享了社区驱动的标准以及互操作性和Columnar Era的生态系统。

文章 2022-02-15 来自：开发者社区

【Hadoop Summit Tokyo 2016】基于Spark的高性能时空轨迹分析

本讲义出自YongHua (Henry) Zeng在Hadoop Summit Tokyo 2016上的演讲，主要分享了基于Spark的高性能时空轨迹分析的相关背景、架构以及技术设计，在技术设计方面主要讲解了大数据平台的设计、数据治理的设计、算法模型以及Spark轨迹计算等内容，最后还对于高性能时空轨迹分析的未来发展进行了展望。

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更新时间 2024-07-21 12:28:52

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