Components of the Impala Server The Impala server is a distributed, massively parallel processing (MPP) database engine. It consists of different daemon processes that run on specific hosts within your CDH cluster. Continue reading: The Impala Daemon…

Impala Concepts and Architecture The following sections provide background information to help you become productive using Cloudera Impala and its features. Where appropriate, the explanations include context to help understand how aspects of Impala…

impala2.12 官方:http://impala.apache.org/ 一 简介 Apache Impala is the open source, native analytic database for Apache Hadoop. Impala is shipped by Cloudera, MapR, Oracle, and Amazon. impala是hadoop上的开源分析性数据库:C++和java语言开发: Do BI-style Queries on Hadoop Im…

原文链接:http://blog.csdn.net/blade2001/article/details/7194895 软件应用开发的经典模型有这样几个环境:开发环境(development).集成环境(integration).测试环境(testing).QA验证,模拟环境(staging).生产环境(production). 通常一个web项目都需要一个staging环境,一来给客户做演示,二来可以作为production server的一个“预演”,正式发布新功能前能及早发现问题(特别是g…

By yhluo 2015年7月29日 Impala 3 Comments Impala 源代码目录结构 SQL 解析 Impala 的 SQL 解析与执行计划生成部分是由 impala-frontend(Java)实现的,监听端口是 21000.用户通过Beeswax 接口 BeeswaxService.query() 提交一个请求,在 impalad 端的处理逻辑是由void ImpalaServer::query(QueryHandle& query_handle, const Query…

ambari2.7.3(hdp3.1) 安装 impala2.12(自动安装最新) ambari的hdp中原生不支持impala安装,下面介绍如何通过mpack方式使ambari支持impala安装: 一 安装Service 1 下载 # wget https://github.com/cas-bigdatalab/ambari-impala-service/raw/master/ambari-impala-mpack-2.6.0-0816.tar.gz 2 安装 # ambari-server…

sklearn实战-乳腺癌细胞数据挖掘(博客主亲自录制视频教程) https://study.163.com/course/introduction.htm?courseId=1005269003&utm_campaign=commission&utm_source=cp-400000000398149&utm_medium=share http://blog.cloudera.com/blog/2013/12/how-to-do-statistical-analysis-with…

Downloadable files Abstract IBM WebSphere Application Server Version 8.5.5 Refresh Pack for all platforms, also known as Version 8.5.5.0 Download Description Refresh Pack 8.5.5.0 for WebSphere Application Server is provided for the following offering…

Impala的高可用配置,官方的例子用的是Haproxy,考虑到nginx配置简单,使用人群广泛,再加上nginx1.9以后支持TCP的负载均衡,所以选用nginx. nginx安装:yum install -y nginx,安装地址:192.168.101.22 Impala Daemon实例有三个:cdh-t-004,cdh-t-005,cdh-t-006 配置,编辑文件 /etc/nginx/nginx.conf: # For more information on configurati…

不多说,直接上干货! 我的集群机器情况是 bigdatamaster(192.168.80.10).bigdataslave1(192.168.80.11)和bigdataslave2(192.168.80.12) 然后,安装目录是在/home/hadoop/app下. 官方建议在master机器上安装Hue,我这里也不例外.安装在bigdatamaster机器上. Hue版本:hue-3.9.0-cdh5.5.4 需要编译才能使用(联网) 说给大家的话:大家电脑的配置好的话,一定要安装clou…