[文章作者：張宴 本文版本：v1.1 最后修改：2010.05.18 轉載請注明原文鏈接：http://blog.zyan.cc/infobright/]

　　Infobright是一個與MySQL集成的開源數據倉庫（Data Warehouse）軟件，可作為MySQL的一個存儲引擎來使用，SELECT查詢與普通MySQL無區別。

　　一、Infobright的基本特征：
　　優點：
　　查詢性能高：百萬、千萬、億級記錄數條件下，同等的SELECT查詢語句，速度比MyISAM、InnoDB等普通的MySQL存儲引擎快5～60倍
　　存儲數據量大：TB級數據大小，幾十億條記錄
　　高壓縮比：在我們的項目中為18:1，極大地節省了數據存儲空間
　　基于列存儲：無需建索引，無需分區
　　適合復雜的分析性SQL查詢：SUM, COUNT, AVG, GROUP BY

　　限制：
　　不支持數據更新：社區版Infobright只能使用“LOAD DATA INFILE”的方式導入數據，不支持INSERT、UPDATE、DELETE
　　不支持高并發：只能支持10多個并發查詢

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　　二、Infobright 安裝與基本用法：
　　1、下載安裝社區版Infobright二進制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位系統：

wget http://www.infobright.org/downloads/ice/infobright-3.3.1-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位系統：

wget http://www.infobright.org/downloads/ice/infobright-3.3.1-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

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　　2、開始安裝，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]:

　　選擇R，空格翻頁到頁尾，看到以下提示時，選擇Q繼續安裝：

???????????????????? END OF TERMS AND CONDITIONS

============ Press Q to continue installation ==========
(END)

　　接下來會顯示以下信息，選擇Y同意：
Press Y -I agree, Any other key -I do not agree [Y/*]:

　　這時，會提示是否在線注冊，選擇N不注冊：
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]:

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　　3、修改Infobright內存使用限制

vi /data0/mysql/3307/data/brighthouse.ini

　　根據自身的物理內存大小修改ServerMainHeapSize、ServerCompressedHeapSize、LoaderMainHeapSize的值，有參考：

############??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?????????????????????? 500?????????????????????? 800
#??4GB??????????????????1300?????????????????????? 400?????????????????????? 400
#??2GB??????????????????600????????????????????????250?????????????????????? 320

---

　　4、創建管理MySQL數據庫的shell腳本：

vi /data0/mysql/3307/mysql

　　輸入以下內容（這里的用戶名admin和密碼12345678接下來的步驟會創建）：

#!/bin/sh

mysql_port=3307
mysql_username="admin"
mysql_password="12345678"

function_start_mysql()
{
????printf "Starting MySQL...\n"
????cd /usr/local/infobright/ && /bin/sh ./bin/mysqld_safe --defaults-file=/data0/mysql/${mysql_port}/my.cnf 2>&1 > /dev/null &
}

function_stop_mysql()
{
????printf "Stoping MySQL...\n"
????cd /usr/local/infobright/ && ./bin/mysqladmin -u ${mysql_username} -p${mysql_password} -S /tmp/mysql${mysql_port}.sock shutdown
}

function_restart_mysql()
{
????printf "Restarting MySQL...\n"
????function_stop_mysql
????sleep 5
????function_start_mysql
}

function_kill_mysql()
{
????kill -9 $(ps -ef | grep 'bin/mysqld_safe' | grep ${mysql_port} | awk '{printf $2}')
????kill -9 $(ps -ef | grep 'libexec/mysqld' | grep ${mysql_port} | awk '{printf $2}')
}

if [ "$1" = "start" ]; then
????function_start_mysql
elif [ "$1" = "stop" ]; then
????function_stop_mysql
elif [ "$1" = "restart" ]; then
function_restart_mysql
elif [ "$1" = "kill" ]; then
function_kill_mysql
else
????printf "Usage: /data0/mysql/${mysql_port}/mysql {start|stop|restart|kill}\n"
fi

---

　　5、賦予shell腳本可執行權限：

chmod +x /data0/mysql/3307/mysql

---

　　6、啟動MySQL/Infobright：

/data0/mysql/3307/mysql start

---

　　7、通過命令行登錄管理MySQL服務器（提示輸入密碼時直接回車）：

/usr/local/infobright/bin/mysql -u root -p -S /tmp/mysql3307.sock

---

　　8、輸入以下SQL語句，創建一個具有root權限的用戶（admin）和密碼（12345678）：

GRANT ALL PRIVILEGES ON *.* TO 'admin'@'localhost' IDENTIFIED BY '12345678';
GRANT ALL PRIVILEGES ON *.* TO 'admin'@'127.0.0.1' IDENTIFIED BY '12345678';

---

　　9、示例：從普通的MySQL數據庫（假設MySQL安裝路徑為/usr/local/webserver/mysql）導出數據到csv文件：

/usr/local/webserver/mysql/bin/mysql -S /tmp/mysql3306.sock -D tongji_logs -e "select * from log_visits_2010_05_10 into outfile '/data0/test.csv' FIELDS TERMINATED BY ',' ENCLOSED BY '\"'??ESCAPED BY '\\\' LINES TERMINATED BY '\n';"

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　　10、示例：普通MySQL和Infobright建表對比
　　①、普通MySQL的InnoDB存儲引擎建表：

CREATE TABLE IF NOT EXISTS `log_visits_2010_05_12` (
??`id` int(11) NOT NULL AUTO_INCREMENT,
??`cate_id` int(11) NOT NULL,
??`site_id` int(11) unsigned NOT NULL,
??`visitor_localtime` char(8) NOT NULL,
??`visitor_idcookie` varchar(255) NOT NULL,
??PRIMARY KEY (`id`),
??KEY `cate_site_id` (`cate_id`,`site_id`),
??KEY `visitor_localtime` (`visitor_localtime`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

　　②、Infobright的BRIGHTHOUSE存儲引擎建表：

CREATE TABLE IF NOT EXISTS `log_visits` (
??`id` int(11) NOT NULL,
??`cate_id` int(11) NOT NULL,
??`site_id` int(11) NOT NULL,
??`visitor_localtime` char(8) NOT NULL,
??`visitor_idcookie` varchar(255) NOT NULL,
) ENGINE=BRIGHTHOUSE DEFAULT CHARSET=utf8;

　　注：BRIGHTHOUSE存儲引擎建表時不能有AUTO_INCREMENT自增、unsigned無符號、unique唯一、主鍵PRIMARY KEY、索引KEY。

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　　11、示例：從csv文件導入數據到Infobright數據倉庫：

/usr/local/infobright/bin/mysql -S /tmp/mysql3307.sock -D dw --skip-column-names -e "LOAD DATA INFILE '/data0/test.csv' INTO TABLE log_visits_2010_04_13 FIELDS TERMINATED BY ',' ESCAPED BY '\\\' LINES TERMINATED BY '\n';"

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　　12、示例：普通MySQL和Infobright查詢速度對比（共220多萬條記錄）：
　　①、普通MySQL的InnoDB存儲引擎（已建索引）：

mysql> SELECT config_browser_name, count(*) AS total FROM `browser_info` GROUP BY config_browser_name order by total DESC;
+---------------------+---------+
| config_browser_name | total?? |
+---------------------+---------+
| IE??????????????????| 2204016 |
| CH??????????????????|?? 20650 |
| FF??????????????????|?? 10475 |
| MO??????????????????|????6147 |
| OT??????????????????|????1631 |
| OP??????????????????|????1282 |
| SF??????????????????|???? 797 |
| KM??????????????????|?????? 5 |
| KO??????????????????|?????? 2 |
+---------------------+---------+
9 rows in set (1 min 28.13 sec)

　　②、Infobright的BRIGHTHOUSE存儲引擎：

mysql> SELECT config_browser_name, count(*) AS total FROM `browser_info` GROUP BY config_browser_name order by total DESC;
+---------------------+---------+
| config_browser_name | total?? |
+---------------------+---------+
| IE??????????????????| 2204016 |
| CH??????????????????|?? 20650 |
| FF??????????????????|?? 10475 |
| MO??????????????????|????6147 |
| OT??????????????????|????1631 |
| OP??????????????????|????1282 |
| SF??????????????????|???? 797 |
| KM??????????????????|?????? 5 |
| KO??????????????????|?????? 2 |
+---------------------+---------+
9 rows in set (0.84 sec)

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　　13、（可選）停止MySQL/Infobright：

/data0/mysql/3307/mysql stop

轉載于:https://www.cnblogs.com/zzjhn/p/5678684.html

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