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mysql-boost-5.7.18安装方法
本次安装环境为：
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系 统：centos 6 X86_X64
内 存：不低于4G
MySQL 版本：mysql-boost-5.7.18.tar.gz
本文主要讲解在同主机上部署mysql多实例 门户网站应用mysql 多实例场景 百度搜索引擎的数据库就是多实例，一般是从库，列如某个部门的例子，IBM 48核CPU。内存96G，跑3-4个实例；sina 网也是用的多实例，内存48G左右。门户网站使用多实例的目的是配硬件好的服务器，节省idc机柜的空间，同时，跑多实例让硬件资源不浪费，针对一般的服务器最多4个实例即可，1-2两个最合适。 多实例可以是多个配置文件对应多实例也可以一个配置文件对应多个实例 |
多实例缺点：
1、耦合度太高，一个配置文件不好管理。工作开发和运维的统一原则；降低耦合度
mysql 相关软件包：
yum -y install ncurses-devel libaio-devel cmake
安装需要mysql 需要创建用户和组
useradd mysql -s /sbin/nologin -M
下载mysql 5.7 安装包
wget https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-boost-5.7.18.tar.gz
解压安装包
tar -zxf mysql-boost-5.7.18.tar.gz && cd mysql-5.7.18
cmake \ -DCMAKE_INSTALL_PREFIX=/u01/app/mysql/db \ -DSYSCONFDIR=/u01/app/mysql/db/etc \ -DWITH_BOOST=./boost/boost_1_59_0 \ -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_INNODB_MEMCACHED=1 \ -DWITH_READLINE=1 \ -DENABLED_LOCAL_INFILE=1 \ -DWITH_PARTITION_STORAGE_ENGINE=1 \ -DEXTRA_CHARSETS=all \ -DDEFAULT_CHARSET=utf8 \ -DDEFAULT_COLLATION=utf8_general_ci make -j 24 make install |
#创建数据目录
mkdir -p /data/mysql/engine/innolog
mkdir -p /data/mysql/data
mkdir -p /data/mysql/engine/innodata
mkdir -p /data/mysql/engine/undo
mkdir -p /data/mysql/log/mysql-binlog
mkdir -p /data/mysql/log/mysql-relaylog
chown mysql. /data -R
#创建mysql 配置文件目录
mkdir /u01/app/mysql/db/etc
配置my.cnf
[mysqld] #-------------------------------------basic_my.conf------------------------------------------------------------- #5.7 #author: duxing #modify: 20160902 #version: 0.8 #------------------basic-------------------------------# user=mysql basedir = /u01/app/mysql/db datadir = /data/mysql/data pid-file = /data/mysql/mysql.pid socket=/data/mysql/mysql.sock default-storage-engine = INNODB transaction_isolation = REPEATABLE-READ binlog_cache_size = 32M max_binlog_size=512M binlog_format=row character-set-server = utf8 port=3306 server-id= 2 #sql_mode='ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION' sql_mode='STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_AUTO_VALUE_ON_ZERO,NO_ENGINE_SUBSTITUTION,ONLY_FULL_GROUP_BY' explicit_defaults_for_timestamp = true log-error = /data/mysql/mysql-error.log slow_query_log long_query_time = 10 log_warnings #------------------basic-------------------------------# #---------------directroy------------------------------# innodb_log_group_home_dir=/data/mysql/engine/innolog innodb_data_home_dir=/data/mysql/engine/innodata innodb_data_file_path = ibdata1:500M;ibdata2:150M:autoextend innodb_undo_directory=/data/mysql/engine/undo log-bin = /data/mysql/log/mysql-binlog/mysql-binlog log-bin-index = /data/mysql/log/mysql-binlog/mysql-binlog.index expire-logs-days=5 relay_log = /data/mysql/log/mysql-relaylog/mysql-relay-bin relay_log_index= /data/mysql/log/mysql-relaylog/mysql-relay-bin.index #relay_log_info_file=/data/mysql/log/mysql-relaylog/relay-log.info #---------------directroy------------------------------# #----------------engine--------------------------------# innodb_file_per_table=1 innodb_api_enable_binlog=1 innodb_buffer_pool_size=256M innodb_flush_log_at_trx_commit = 1 innodb_log_buffer_size = 16M innodb_log_file_size = 512M innodb_log_files_in_group = 4 innodb_max_dirty_pages_pct = 75 innodb_lock_wait_timeout = 120 innodb_buffer_pool_instances=2 innodb_force_recovery=0 #recover innodb_purge_threads=4 #undo purge innodb_write_io_threads = 16 innodb_read_io_threads = 16 innodb_io_capacity=1200 innodb_old_blocks_pct=37 innodb_old_blocks_time=1000 innodb_undo_tablespaces=12 innodb_undo_logs=40 innodb_commit_concurrency = 1000 #commit/s innodb_thread_concurrency = 1000 #use for cpu mutex innodb_thread_sleep_delay = 200 #ms delay time #innodb_use_native_aio=1 #----------------engine--------------------------------# # ------------global cache -------------------------# read_buffer_size = 32M read_rnd_buffer_size = 128M sort_buffer_size = 64M join_buffer_size = 64M query_cache_size = 128M query_cache_limit = 4M tmp_table_size = 128M # ------------global cache -------------------------# #----------------replicat-----------------------------# #read_only=1 relay_log_purge=0 log_slave_updates=1 slave_parallel_workers=4 log_bin_trust_function_creators=1 binlog_checksum = CRC32 slave_allow_batching = 1 master_verify_checksum = 1 slave_sql_verify_checksum = 1 binlog_rows_query_log_events = 1 gtid-mode=on enforce-gtid-consistency=1 sync-master-info=1 relay_log_purge = 1 #relaylog的自动修复 relay_log_recovery = 1 master_info_repository = TABLE relay_log_info_repository = TABLE #set global rpl_semi_sync_master_enabled = 1 #set global rpl_semi_sync_slave_enabled =1 #rpl_semi_sync_master_timeout=200 #----------------replicat-----------------------------# #-----------------thread------------------------------# table_open_cache = 2048 #reduce open descriptor thread_stack = 256K # *thead_num < useable mem thread_cache_size = 128 #reuse thread in mem #-----------------thread------------------------------# #----------------network-----------------------------# back_log = 512 #skip-networking #skip-grant-tables skip-name-resolve max_connections = 3000 max_connect_errors = 30 table_open_cache = 4096 max_allowed_packet = 64M max_heap_table_size = 512M #----------------network-----------------------------# #-----------------------timeout------------------------# connect-timeout = 10 wait-timeout = 8000 interactive-timeout = 8000 slave-net-timeout = 60 net_read_timeout = 30 net_write_timeout = 60 net_retry_count = 10 net_buffer_length = 16384 #-----------------------timeout------------------------# [mysql] auto-rehash [client] socket=/data/mysql/mysql.sock port=3306 |
删除 /etc/my.cnf
/u01/app/mysql/db/etc
初始化之前需要查看error 日志
cat /data/mysql/mysql-error.log
cd /u01/app/mysql/db
./bin/mysqld --initialize --basedir=/u01/app/mysql/db --datadir=/data/mysql/data --user=mysql
# --initialize-insecureoption 使用这个初始化数据库之后不再需要登录后进行alter user
#cat /data/mysql/mysql-error.log
/u01/app/mysql/db/bin/mysqld_safe --skip-grant-tables &
update mysql.user set authentication_string=password('123.com') where user='root' and Host = 'localhost';
#启动mysql 服务
/u01/app/mysql/db/support-files/mysql.server restart
##需要重新更改密码否则无法正常使用库
alter user 'root'@'localhost' identified by '123.com';
#设置开机自启动
cp /u01/app/mysql/db/support-files/mysql.server /etc/init.d/mysql.server-5.7
chmod +x /etc/init.d/mysql.server-5.7
chkconfig --addmysql.server-5.7
#设置环境变量
vim ~/.bashrc
#set mysql
NHOME=/u01/app/mysql/db
PATH=$PATH:$NHOME/bin
source ~/.bashrc
mysql 多实例可以写两个不同的配置文件与不同的端口 初始化库时候直接更改即可
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