Pentaho MySQL Infobright 数据仓库快速安装笔记
Infobright是一个与MySQL集成的开源数据仓库（Data Warehouse）软件，可作为MySQL的一个存储引擎来使用，SELECT查询与普通MySQL无区别。

一、Infobright的基本特征：
优点：
查询性能高：百万、千万、亿级记录数条件下，同等的SELECT查询语句，速度比MyISAM、InnoDB等普通的MySQL存储引擎快5～60倍
存储数据量大：TB级数据大小，几十亿条记录
高压缩比：在我们的项目中为18:1，极大地节省了数据存储空间
基于列存储：无需建索引，无需分区
适合复杂的分析性SQL查询：SUM, COUNT, AVG, GROUP BY

限制：
不支持数据更新：社区版Infobright只能使用“LOAD DATA INFILE”的方式导入数据，不支持INSERT、UPDATE、DELETE
不支持高并发：只能支持10多个并发查询

二、Infobright 安装与基本用法：
1、下载安装社区版Infobright二进制Linux版本，端口3307
ulimit -SHn 65535
mkdir -p /data0/mysql/3307
/usr/sbin/groupadd mysql
/usr/sbin/useradd -g mysql mysql
cd /usr/local

①、64位系统：
wget http://www.infobright.org/downlo ... 1-x86_64-ice.tar.gz
tar zxvf infobright-3.3.1-x86_64-ice.tar.gz
mv infobright-3.3.1-x86_64 infobright

②、32位系统：
wget http://www.infobright.org/downlo ... 3.1-i686-ice.tar.gz
tar zxvf infobright-3.3.1-i686-ice.tar.gz
mv infobright-3.3.1-i686 infobright

cd infobright
./install-infobright.sh --datadir=/data0/mysql/3307/data --cachedir=/data0/mysql/3307/cache --config=/data0/mysql/3307/my.cnf --port=3307 --socket=/tmp/mysql3307.sock --user=mysql --group=mysql

2、开始安装，提示以下信息：
Infobright installation script is running...
Checking system configuration...
Infobright license agreement...
System tool 'Less' - a text file viewer will be used to display license agreement.
Please only use up/down arrow keys for scrolling license text and press Q when finished reading.
Press R -Read license agreement, N -Exit the installation [R/N]:

选择R，空格翻页到页尾，看到以下提示时，选择Q继续安装：
                     END OF TERMS AND CONDITIONS
============ Press Q to continue installation ==========
(END)

接下来会显示以下信息，选择Y同意：
Press Y -I agree, Any other key -I do not agree [Y/*]:

这时，会提示是否在线注册，选择N不注册：
Installation has been made for system user root and mysql.
Please see README or User guide for instructions related to start/stop the Infobright server and connect to it.
Register your copy of ICE and receive a free copy of the User Manual (a $50 value) as well as a copy of the Bloor Research Spotlight Report "What's Cool About Columns" which explains the differences and benefits of a columnar versus row database.
Registration will require opening an HTTP connection to Infobright, do you wish to register now? [Y/N]:

3、修改Infobright内存使用限制
vi /data0/mysql/3307/data/brighthouse.ini

根据自身的物理内存大小修改ServerMainHeapSize、ServerCompressedHeapSize、LoaderMainHeapSize的值，有参考：
############  Critical Memory Settings ############
# System Memory    Server Main Heap Size     Server Compressed Heap Size   Loader Main Heap Size
# 32GB                 24000                      4000                       800
# 16GB                 10000                      1000                       800
#  8GB                  4000                &nb