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一、准备工作 1. 下载安装包
路径:https://dev.mysql.com/downloads/mysql/
这里选择 mysq-8.0.16.tar.gz
2. 清理已有版本
## 查询
rpm -qa | grep mysql
rpm -qa | grep maria
## 清理(如果存在的话)
yum remove mysql
## 或者
yum remove mariadb
3. 安装依赖包 (1) 常规依赖
yum -y install gcc gcc-c++ ncurses ncurses-devel libaio-devel openssl openssl-devel
(2)特殊版本的依赖
编译的时候,分别错误提示:
CMake 3.4.3 or higher is required.
GCC 5.3 or newer is required
所以需要安装 Cmake 和 GCC 的相关版本
请参考:
http://blog.itpub.net/69915315/viewspace-2648182
二、编译安装(软件)1. 解压安装包
tar -zxvf tar -zxvf mysql-8.0.16.tar.gz
2. cmake 配置
(1) 进入目录 mysql-8.0.16 , 建立一个目录,用于存放编译好的软件
cd mysql-8.0.16
mkdir xiaochong
(2) 进入子目录 xiaochong,进行编译前的配置。主要 cmake 后是 . . , 执行其父目录。
cd xiaochong
配置参数:
cmake .. -DCMAKE_INSTALL_PREFIX=/usr/local/mysql \
-DDEFAULT_CHARSET=utf8 \
-DDEFAULT_COLLATION=utf8_general_ci \
-DENABLED_LOCAL_INFILE=ON \
-DWITH_INNODB_MEMCACHED=ON \
-DWITH_SSL=system \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_FEDERATED_STORAGE_ENGINE=1 \
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
-DWITH_ARCHIVE_STORAGE_ENGINE=1 \
-DWITHOUT_EXAMPLE_STORAGE_ENGINE=1 \
-DWITH_PERFSCHEMA_STORAGE_ENGINE=1 \
-DCOMPILATION_COMMENT= xiaochong edition \
-DDOWNLOAD_BOOST=1 \
-DWITH_BOOST=/usr/local/boost \
-DCMAKE_CXX_COMPILER=/usr/bin/g++ \
-DWITH_BOOST=/tmp
3. 编译
make -j 10
4 . 安装
make install
末尾如下提示,表示成功。
— Configuring done
— Generating done
— Build files have been written to: /software/mysql-8.0.16/xiaochong
————————————————————————————————–
错误 1 c++: error: unrecognized command line option‘-std=c++14’
解决方式:添加:-DCMAKE_CXX_COMPILER=/usr/bin/g++
三、创建数据库 1、创建用户
groupadd mysql
useradd -g mysql mysql
2. 创建相关目录
mkdir -p /data/mysql/{3306,3307}/{data,log,tmp,innodb,innodb_log}
这里是两个实例的目录,分别是 3306 和 3307.
创建后,目录结构如下:
[root@mysql80 /]# cd data
[mysql@mysql80 data]$ tree .
.
└── mysql
├── 3306
│ ├── data
│ ├── innodb
│ ├── innodb_log
│ ├── log
│ └── tmp
└── 3307
├── data
├── innodb
├── innodb_log
├── log
└── tmp
3. 修改目录权限
chown -R mysql:mysql /data/mysql/
chown -R mysql:mysql /usr/local/mysql/
4. 添加环境变量
echo export PATH=$PATH:/usr/local/mysql/bin /etc/profile
source /etc/profile
5. 添加配置文件
(1)3306
vim /data/mysql/3306/my3306.cnf
内容如下:
[client]
port=3306
socket=/data/mysql/3306/mysql.sock
[mysqld]
port=3306
user=mysql
socket=/data/mysql/3306/mysql.sock
pid-file=/data/mysql/3306/mysql.pid
basedir=/usr/local/mysql
datadir=/data/mysql/3306/data
tmpdir=/data/mysql/3306/tmp
open_files_limit=60000
#explicit_defaults_for_timestamp
server-id=3306
lower_case_table_names=1
character-set-server=utf8
#federated
#sql_mode=STRICT_TRANS_TABLES
max_connections=1000
max_connect_errors=100000
interactive_timeout=86400
wait_timeout=86400
sync_binlog=0
back_log=100
default-storage-engine=InnoDB
log_slave_updates=1
#*********** Logs related settings ***********
log-bin=/data/mysql/3306/log/mysql3306-bin
binlog_format=mixed
binlog_cache_size=32m
max_binlog_cache_size=64m
max_binlog_size=512m
long_query_time=1
log_output=FILE
log-error=/data/mysql/3306/log/mysql-error.log
slow_query_log=1
slow_query_log_file=/data/mysql/3306/log/slow_statement.log
#log_queries_not_using_indexes
general_log=0
general_log_file=/data/mysql/3306/log/general_statement.log
#expire-logs-days = 14
binlog_expire_logs_seconds=1728000
relay-log=/data/mysql/3306/log/relay-bin
relay-log-index=/data/mysql/3306/log/relay-bin.index
#****** MySQL Replication New Feature*********
master-info-repository=TABLE
relay-log-info-repository=TABLE
#relay-log-recovery
#*********** INNODB Specific options ***********
innodb_buffer_pool_size=2048M
transaction-isolation=REPEATABLE-READ
innodb_buffer_pool_instances=8
innodb_file_per_table=1
innodb_data_home_dir=/data/mysql/3306/innodb
innodb_data_file_path=ibdata1:2048M:autoextend
innodb_thread_concurrency=8
innodb_log_buffer_size=16M
innodb_log_file_size=128M
innodb_log_files_in_group=3
innodb_log_group_home_dir=/data/mysql/3306/innodb_log
innodb_flush_log_at_trx_commit=2
innodb_max_dirty_pages_pct=70
innodb_flush_method=O_DIRECT
[mysql]
no-auto-rehash
default-character-set=gbk
prompt = (\u@\h) [\d] \_
(1)3307
vim /data/mysql/3307/my3307.cnf
内容如下:
[client]
port=3307
socket=/data/mysql/3307/mysql.sock
[mysqld]
port=3307
user=mysql
socket=/data/mysql/3307/mysql.sock
pid-file=/data/mysql/3307/mysql.pid
basedir=/usr/local/mysql
datadir=/data/mysql/3307/data
tmpdir=/data/mysql/3307/tmp
open_files_limit=60000
#explicit_defaults_for_timestamp
server-id=3307
lower_case_table_names=1
character-set-server=utf8
#federated
#sql_mode=STRICT_TRANS_TABLES
max_connections=1000
max_connect_errors=100000
interactive_timeout=86400
wait_timeout=86400
sync_binlog=0
back_log=100
default-storage-engine=InnoDB
log_slave_updates=1
#*********** Logs related settings ***********
log-bin=/data/mysql/3307/log/mysql3306-bin
binlog_format=mixed
binlog_cache_size=32m
max_binlog_cache_size=64m
max_binlog_size=512m
long_query_time=1
log_output=FILE
log-error=/data/mysql/3307/log/mysql-error.log
slow_query_log=1
slow_query_log_file=/data/mysql/3307/log/slow_statement.log
#log_queries_not_using_indexes
general_log=0
general_log_file=/data/mysql/3307/log/general_statement.log
#expire-logs-days = 14
binlog_expire_logs_seconds=1728000
relay-log=/data/mysql/3307/log/relay-bin
relay-log-index=/data/mysql/3307/log/relay-bin.index
#****** MySQL Replication New Feature*********
master-info-repository=TABLE
relay-log-info-repository=TABLE
#relay-log-recovery
#*********** INNODB Specific options ***********
innodb_buffer_pool_size=2048M
transaction-isolation=REPEATABLE-READ
innodb_buffer_pool_instances=8
innodb_file_per_table=1
innodb_data_home_dir=/data/mysql/3307/innodb
innodb_data_file_path=ibdata1:2048M:autoextend
innodb_thread_concurrency=8
innodb_log_buffer_size=16M
innodb_log_file_size=128M
innodb_log_files_in_group=3
innodb_log_group_home_dir=/data/mysql/3307/innodb_log
innodb_flush_log_at_trx_commit=2
innodb_max_dirty_pages_pct=70
innodb_flush_method=O_DIRECT
[mysql]
no-auto-rehash
default-character-set=gbk
prompt = (\u@\h) [\d] \_
6、初始化数据库
(1)3306
mysqld --defaults-file=/data/mysql/3306/my3306.cnf --initialize --user=mysql
(2)3307
mysqld --defaults-file=/data/mysql/3307/my3307.cnf --initialize --user=mysql
错误如下:
[mysql@mysql80 ~]$ mysqld –defaults-file=/data/mysql/3306/my.cnf –initialize –user=mysql
mysqld: /lib64/libstdc++.so.6: version `CXXABI_1.3.9 not found (required by mysqld)
mysqld: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.21 not found (required by mysqld)
mysqld: /lib64/libstdc++.so.6: version `CXXABI_1.3.8 not found (required by mysqld)
mysqld: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.20 not found (required by mysqld)
解析办法:
原因:由于我们之前升级了 gcc,也就是 gcc-5.3.0. 但目录 /lib64/ 下的库文件链接的是 libstdc++.so.6 依然软链接是低版本 libstdc++.so.6.0.19
[root@mysql80 /]# cd /lib64/
[root@mysql80 lib64]# ls -l | grep libstdc++.so.6
lrwxrwxrwx. 1 root root 19 Jun 19 14:36 libstdc++.so.6 – libstdc++.so.6.0.19
-rwxr-xr-x. 1 root root 991616 Apr 24 22:24 libstdc++.so.6.0.19
进入到新安装的 gcc-5.3.0 的目录,进入 lib64,查看 libstdc++.so.6,软链接的是 libstdc++.so.6.0.21
[root@mysql80 gcc-5.3.0]# cd lib64/
[root@mysql80 lib64]# ls -l | grep libstdc++.so.6
lrwxrwxrwx. 1 root root 19 Jun 25 15:54 libstdc++.so – libstdc++.so.6.0.21
lrwxrwxrwx. 1 root root 19 Jun 25 15:54 libstdc++.so.6 – libstdc++.so.6.0.21
-rwxr-xr-x. 1 root root 11089328 Jun 25 15:54 libstdc++.so.6.0.21
处理:删除原来的软链接,建立新的软链接:
[root@mysql80 lib64]# rm -rf libstdc++.so.6
[root@mysql80 lib64]# ln -s /usr/local/gcc-5.3.0/lib64/libstdc++.so.6 libstdc++.so.6
[root@mysql80 lib64]# ls -l | grep libstdc++.so.6
lrwxrwxrwx. 1 root root 41 Jun 26 14:48 libstdc++.so.6 – /usr/local/gcc-5.3.0/lib64/libstdc++.so.6
7. 启动服务
(1)3306
/mysqld_safe –defaults-file=/data/mysql/3306/my.cnf –user=mysql
(2)3307
/mysqld_safe –defaults-file=/data/mysql/3307/my.cnf –user=mysql
8. 登录数据库
这里以 3306 实例为例,3307 步骤相同,只需要注意端口号即可,即大写的 -P
(1)查找 root@localhost 的初始密码,
查看当前错误日志
more /data/mysql/3306/log/mysql-error.log
找到如下行,标红的即是密码:
[MY-010454] [Server] A temporary password is generated for root@localhost:
?/ihz.ew8SIy
mysql -uroot -p ?/ihz.ew8SIy -P3306 -S /data/mysql/3306/mysql.sock
(2)登录
mysql -uroot -p ?/ihz.ew8SIy -P3306 -S /data/mysql/3306/mysql.sock
(3)修改密码
ALTER USER root @ localhost IDENTIFIED WITH sha256_password BY Yxc@3306 PASSWORD EXPIRE INTERVAL 360 DAY;
(4)查询数据库
ysql show databases;
+——————–+
| Database |
+——————–+
| information_schema |
| mysql |
| performance_schema |
| sys |
+——————–+
4 rows in set (0.00 sec)
9. 校验后台进程
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