mysql多实例+mycat+mycatweb

-p /data/3316/etc /data/3316/var /data/3316/log mkdir -p /data/3317/etc /data/3317/var /data/3317/log mkdir -p /data/3318/etc /data/3318/var /data/3318/log mkdir -p /data/3319/etc /data/3319/var /data/3319/log mkdir -p /tmp/mysql

 

创建mysql用户

groupadd mysql
useradd -r -g mysql mysql
chown -R mysql:mysql /data/3316
chown -R mysql:mysql /data/3317
chown -R mysql:mysql /data/3318
chown -R mysql:mysql /data/3319
chown -R mysql:mysql /tmp/mysql

 

编译配置：

cd /data #进入安装包路径
tar -xvf mysql-5.1.73.tar.gz
cd mysql-5.1.73
./configure --prefix=/data/3316 --sysconfdir=/data/3316/etc --with-tcp-port=3316 --localstatedir=/data/3316/var --with-unix-socket-path=/tmp/mysql/3316.sock --with-charset=utf8 --with-collation=utf8_general_ci --with-extra-charsets=gbk,gb2312,binary --enable-thread-safe-client --with-plugins=innobase --with-mysqld-user=mysql --with-charset=utf8  --with-client-ldflags=-all-static --with-mysqld-ldflags=-all-static
make && make install

然后初始化数据库，此步骤需在mysql_install_db文件的上层目录执行，不然会报错：

（scripts有的版本在解压包目录，有的在自己选的mysql安装目录）

scripts/mysql_install_db --user=mysql --basedir=/data/3316 --datadir=/data/3316/var --defaults-file=/data/3316/etc/my.cnf

scripts/mysql_install_db --user=mysql --basedir=/data/3316 --datadir=/data/3317/var --defaults-file=/data/3317/etc/my.cnf

scripts/mysql_install_db --user=mysql --basedir=/data/3316 --datadir=/data/3318/var --defaults-file=/data/3318/etc/my.cnf

scripts/mysql_install_db --user=mysql --basedir=/data/3316 --datadir=/data/3319/var --defaults-file=/data/3319/etc/my.cnf

 

 然后创建各个实例的配置文件：

touch /data/3316/etc/my.cnf
touch /data/3317/etc/my.cnf
touch /data/3318/etc/my.cnf
touch /data/3319/etc/my.cnf

 

打开文件

vi /data/3316/etc/my.cnf

把下列配置项复制进去

[client]
port            = 3316
socket          = /tmp/mysql/3316.sock

[mysql]
no-auto-rehash

[mysqld]
user    = mysql
port    = 3316
socket  = /tmp/mysql/3316.sock
basedir = /data/3316
datadir = /data/3316/var
open_files_limit    = 1024
back_log = 600
max_connections = 800
max_connect_errors = 3000
table_open_cache = 614
external-locking = FALSE
max_allowed_packet =8M
sort_buffer_size = 1M
join_buffer_size = 1M
thread_cache_size = 100
thread_concurrency = 2
query_cache_size = 2M
query_cache_limit = 1M
query_cache_min_res_unit = 2k
#default_table_type = InnoDB
thread_stack = 192K
#transaction_isolation = READ-COMMITTED
tmp_table_size = 2M
max_heap_table_size = 2M
#long_query_time = 1
#log_long_format
log-error = /data/3316/log/error.log
log-slow-queries = /data/3316/log/slow.log
pid-file = /tmp/mysql/3316.pid
log-bin = /data/3316/var/mysql-bin
#binlog-do-db = db1
#relay-log = /data/3316/log/relay-bin
#relay-log-info-file = /data/3316/log/relay-log.info
binlog_cache_size = 1M
max_binlog_cache_size = 1M
max_binlog_size = 2M
expire_logs_days = 7
key_buffer_size = 16M
read_buffer_size = 1M
read_rnd_buffer_size = 1M
bulk_insert_buffer_size = 1M
lower_case_table_names = 1
skip-name-resolve
binlog_format = mixed
slave-skip-errors = 1032,1062
replicate-ignore-db=mysql
server-id = 3316
innodb_additional_mem_pool_size = 4M
innodb_buffer_pool_size = 32M
innodb_data_file_path = ibdata1:128M:autoextend
innodb_file_io_threads = 4
innodb_thread_concurrency = 8
innodb_flush_log_at_trx_commit = 2
innodb_log_buffer_size = 2M
innodb_log_file_size = 4M
innodb_log_files_in_group = 3
innodb_max_dirty_pages_pct = 90
innodb_lock_wait_timeout = 120
innodb_file_per_table = 0
[mysqldump]
quick
max_allowed_packet = 2M

[mysqld_safe]
log-error=/data/3316/log/oldboy_3308.err
pid-file=/tmp/mysql/3316.pid

 

同样，把/data/3317/etc/my.cnf /data/3318/etc/my.cnf /data/3319/etc/my.cnf 也都复制相同的内容，不过要把所有的3316换成对应的端口。

然后启动mysql：

 

mysql多实例+mycat+mycatweb

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