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MySQL5.7.26源码编译安装

1.安装依赖组件
yum -y install gcc gcc-c++ pcre pcre-devel openssl openssl-devel
yum -y install zlib zlib-devel cmake ncurses ncurses-devel bison bison-devel
如下的几个依赖在CentOS7中需要安装,CentOS6不需要
yum -y install perl perl-devel autoconf

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2.下载解压源码包(包括boost)
tar xzf MySQL-boost-5.7.26.tar.gz

3.第一次安装需要添加MySQL用户
useradd -s /sbin/nologin -M mysql

4.从MySQL 5.7.5开始Boost库是必需的,编译比较耗内存和时间，内存要求至少一个G
cmake . -DCMAKE_INSTALL_PREFIX=/usr/local/mysql \
-DMYSQL_DATADIR=/data/mysql/3306 \
-DSYSCONFDIR=/etc \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_PARTITION_STORAGE_ENGINE=1 \
-DWITH_FEDERATED_STORAGE_ENGINE=1 \
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DWITH_ARCHIVE_STORAGE_ENGINE=1 \
-DMYSQL_UNIX_ADDR=/tmp/mysql3306.sock \
-DMYSQL_TCP_PORT=3306 \
-DENABLED_LOCAL_INFILE=1 \
-DEXTRA_CHARSETS=all \
-DDEFAULT_CHARSET=utf8mb4 \
-DDEFAULT_COLLATION=utf8mb4_general_ci \
-DMYSQL_USER=mysql \
-DWITH_BINLOG_PREALLOC=ON \
-DWITH_BOOST=boost \
-DWITH_DEBUG=1

make && make install
[ 24%] Building CXX object storage/innobase/CMakeFiles/innobase.dir/row/row0log.cc.o
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[ 24%] Building CXX object storage/innobase/CMakeFiles/innobase.dir/row/row0quiesce.cc.o

5.创建简易 /etc/my.cnf 后续补充
[client]
no-auto-rehash
default-character-set=utf8mb4
#password = your_password
port = 3306
socket = /tmp/mysql3306.sock

    [mysqld]
    character-set-server=utf8mb4
    collation-server=utf8mb4_general_ci
    basedir=/usr/local/mysql/
    datadir=/data/mysql/3306/
    socket=/tmp/mysql3306.sock

    server-id = 1102200
    log-bin=mysql_binlog
    binlog_format=row
    log_slave_updates = 1

    skip_name_resolve = ON
    innodb_file_per_table = ON
    lower_case_table_names=1 
    max_allowed_packet = 1M
    table_open_cache = 512
    sort_buffer_size = 2M
    read_buffer_size = 2M
    read_rnd_buffer_size = 8M

    [mysqld_safe]
    log-error=/data/mysql/3306/mysqld.log
    pid-file=/data/mysql/3306/mysqld.pid

    [mysqldump]
    quick
    max_allowed_packet = 16M

    [mysqlhotcopy]
    interactive-timeout

6.加入守护进程
cd /usr/local/mysql
cp support-files/mysql.server /etc/init.d/mysqld
chmod a+x /etc/init.d/mysqld
chkconfig --add mysqld
chkconfig --list mysqld
chkconfig mysqld on
7.初始化数据库， –initialize 表示默认生成一个安全的密码，–initialize-insecure 表示不生成密码
mysqld --initialize-insecure --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql/3306/
2019-07-15T03:46:38.859798Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2019-07-15T03:46:39.250281Z 0 [Warning] InnoDB: New log files created, LSN=45790
2019-07-15T03:46:39.410341Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.
2019-07-15T03:46:39.483526Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 26fabfb6-a6b3-11e9-8f70-fa163efdf571.
2019-07-15T03:46:39.485233Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.
2019-07-15T03:46:39.486976Z 1 [Warning] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option.

8.启动服务
service mysqld start
Starting MySQL.Logging to '/data/mysql/3306/mysqld.log'.
SUCCESS!
9.第一次登陆不需要密码，回车即可
mysql -u root -p
set password for root@localhost = password('root'); #修改密码

10.gdb
cat debug.file
break main #打断点
run --defaults-file=/etc/my.cnf --user=mysql --gdb #调试
chown mysql.mysql debug.file
11.启动调试环境

        gdb -x /data/mysql/3306/debug.file /usr/local/mysql/bin/mysqld
             GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-110.el7
             Copyright (C) 2013 Free Software Foundation, Inc.
             License GPLv3+: GNU GPL version 3 or later 
             This is free software: you are free to change and redistribute it.
             There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
             and "show warranty" for details.
             This GDB was configured as "x86_64-redhat-linux-gnu".
             For bug reporting instructions, please see:
             ...
             Reading symbols from /usr/local/mysql/bin/mysqld...done.
             Breakpoint 1 at 0xea031c: file /usr/local/mysql-5.7.26/sql/main.cc, line 25.
             [Thread debugging using libthread_db enabled]
             Using host libthread_db library "/lib64/libthread_db.so.1".

             Breakpoint 1, main (argc=4, argv=0x7fffffffe538) at /usr/local/mysql-5.7.26/sql/main.cc:25
             25   return mysqld_main(argc, argv);
             Missing separate debuginfos, use: debuginfo-install glibc-2.17-222.el7.x86_64 libgcc-4.8.5-28.el7_5.1.x86_64 libstdc++-4.8.5-28.el7_5.1.x86_64 nss-softokn-freebl-3.34.0-2.el7.x86_64
             (gdb)

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