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Linux下 MySQL 安装以及优化

Jun 07, 2016 pm 04:08 PM
mysql optimization

系统环境:CentOS 6.5mysql版本:mysql-5.6.19.tar.gz软件上传路径:/doiido/soft 一、Mysql安装1:防火墙打开相应端口# /sbin/

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Linux下 MySQL 安装以及优化

[日期:2015-02-28] 来源:Linux社区  作者:doiido [字体:]

系统环境:CentOS 6.5
mysql版本:mysql-5.6.19.tar.gz
软件上传路径:/doiido/soft


一、Mysql安装
1:防火墙打开相应端口
#  /sbin/iptables -I INPUT -p tcp --dport 3306 -j ACCEPT
#  /etc/rc.d/init.d/iptables save

2:安装相关依赖包
#  yum -y install gcc gcc-c++ ncurses ncurses-devel openssl openssl-devel cmake perl lsof bison

3:删除自带的mysql
#  rpm -qa|grep mysql
#  rpm -e --allmatches --nodeps mysql-libs-5.1.71-1.el6.x86_64

4:创建相关目录
#  mkdir /doiido/soft
#  mkdir -p /doiido/mysql/data/

5:创建mysql用户
#  /usr/sbin/groupadd mysql
#  /usr/sbin/useradd -s /sbin/nologin -M -g mysql mysql
#  chown -R mysql:mysql /doiido/mysql/

6:安装mysql
#  cd /doiido/soft
#  tar -zxvf mysql-5.6.19.tar.gz
#  cd mysql-5.6.19
#  cmake -DCMAKE_INSTALL_PREFIX=/doiido/server/mysql -DMYSQL_DATADIR=/doiido/mysql/data -DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_MEMORY_STORAGE_ENGINE=1 -DWITH_MYISAM_STORAGE_ENGINE=1 -DSYSCONFDIR=/etc/ -DWITH_SSL=yes -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci -DWITH_READLINE=on
#  make && make install

7:修改相关目录权限并创建软连接
#  chmod +w /doiido/server/mysql
#  chown -R mysql:mysql /doiido/server/mysql/
#  ln -s /doiido/server/mysql/lib/lib* /usr/lib/
#  ln -s /doiido/server/mysql/bin/mysql /usr/bin

8:修改配置文件
#  cp /doiido/server/mysql/support-files/my-default.cnf /etc/my.cnf
#  vi /etc/my.cnf
[mysqld]
character-set-server = utf8
default-storage-engine = MyISAM
basedir = /doiido/server/mysql
datadir = /doiido/mysql/data
log-error = /doiido/mysql/mysql_error.log
pid-file = /doiido/mysql/mysql.pid
max_allowed_packet = 32M
explicit_defaults_for_timestamp = true

9:安装mysql数据库
#  /doiido/server/mysql/scripts/mysql_install_db --basedir=/doiido/server/mysql --datadir=/doiido/mysql/data --user=mysql

10:设置mysql开机自动启动服务
#  cp /doiido/server/mysql/support-files/mysql.server /etc/init.d/mysqld
#  chkconfig --add mysqld
#  chkconfig --level 345 mysqld on

11:修改mysqld文件并启动mysql
#  vi /etc/init.d/mysqld
#修改mysqld文件中的下面两项
basedir=/doiido/server/mysql
datadir=/doiido/mysql/data

#  service mysqld start

二、mysql优化
软件版本
libunwind:libunwind-1.1.tar.gz
google-perftools:gperftools-2.2.tar.gz

1:安装libunwind(基于64位)
#  cd /doiido/soft
#  tar zxvf libunwind-1.1.tar.gz
#  cd libunwind-1.1
#  CFLAGS=-fPIC ./configure
#  make CFLAGS=-fPIC
#  make CFLAGS=-fPIC install

2:安装google-perftools:
#  cd /doiido/soft
#  tar zxvf gperftools-2.2.tar.gz
#  cd gperftools-2.2/
#  ./configure
#  make && make install
#  echo "/usr/local/lib" > /etc/ld.so.conf.d/usr_local_lib.conf
#  /sbin/ldconfig

3:修改MySQL启动脚本(根据MySQL安装位置而定):
#  vi /doiido/server/mysql/bin/mysqld_safe
在# executing mysqld_safe的下面加上:

export LD_PRELOAD=/usr/local/lib/libtcmalloc.so

#  service mysqld restart

4:查看tcmalloc是否起效:
#  /usr/sbin/lsof -n | grep tcmalloc
如果发现以下信息,说明tcmalloc已经起效:

mysqld    11227 mysql  mem      REG                8,1  2171746      18287 /usr/local/lib/libtcmalloc.so.4.1.2

--------------------------------------分割线 --------------------------------------

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