关于Mac版Mysql的my.cnf配置文件

首先MAC下默认没有my.cnf配置文件，需要自己创建
看结果是找不到my.cnf这个文件，不然会显示出相关路径的

那么就自己创建my.cnf配置文件

先进入etc文件夹

cd etc/

在 etc文件夹下新建my.cnf 文件
把以下内容复制到my.cnf文件中

# Example MySQL config file for small systems.
#
# This is for a system with little memory (<= 64M) where MySQL is only used
# from time to time and it's important that the mysqld daemon
# doesn't use much resources.
#
# MySQL programs look for option files in a set of
# locations which depend on the deployment platform.
# You can copy this option file to one of those
# locations. For information about these locations, see:
# http://dev.mysql.com/doc/mysql/en/option-files.html
#
# In this file, you can use all long options that a program supports.
# If you want to know which options a program supports, run the program
# with the "--help" option.  # The following options will be passed to all MySQL clients
[client]
default-character-set=utf8
#password   = your_password
port        = 3306
socket      = /tmp/mysql.sock  # Here follows entries for some specific programs  # The MySQL server
[mysqld]
default-storage-engine=INNODB
character-set-server=utf8
collation-server=utf8_general_ci
port        = 3306
socket      = /tmp/mysql.sock
skip-external-locking
key_buffer_size = 16K
max_allowed_packet = 1M
table_open_cache = 4
sort_buffer_size = 64K
read_buffer_size = 256K
read_rnd_buffer_size = 256K
net_buffer_length = 2K
thread_stack = 128K  # Don't listen on a TCP/IP port at all. This can be a security enhancement,
# if all processes that need to connect to mysqld run on the same host.
# All interaction with mysqld must be made via Unix sockets or named pipes.
# Note that using this option without enabling named pipes on Windows
# (using the "enable-named-pipe" option) will render mysqld useless!
#
#skip-networking
server-id   = 1 # Uncomment the following if you want to log updates
#log-bin=mysql-bin  # binary logging format - mixed recommended
#binlog_format=mixed  # Causes updates to non-transactional engines using statement format to be
# written directly to binary log. Before using this option make sure that
# there are no dependencies between transactional and non-transactional
# tables such as in the statement INSERT INTO t_myisam SELECT * FROM
# t_innodb; otherwise, slaves may diverge from the master.
#binlog_direct_non_transactional_updates=TRUE  # Uncomment the following if you are using InnoDB tables
#innodb_data_home_dir = /usr/local/mysql/data
#innodb_data_file_path = ibdata1:10M:autoextend
#innodb_log_group_home_dir = /usr/local/mysql/data
# You can set .._buffer_pool_size up to 50 - 80 %
# of RAM but beware of setting memory usage too high
#innodb_buffer_pool_size = 16M
#innodb_additional_mem_pool_size = 2M
# Set .._log_file_size to 25 % of buffer pool size
#innodb_log_file_size = 5M
#innodb_log_buffer_size = 8M
#innodb_flush_log_at_trx_commit = 1
#innodb_lock_wait_timeout = 50 [mysqldump]
quick
max_allowed_packet = 16M  [mysql]
no-auto-rehash
# Remove the next comment character if you are not familiar with SQL
#safe-updates  [myisamchk]
key_buffer_size = 8M
sort_buffer_size = 8M  [mysqlhotcopy]
interactive-timeout

使用:wq!命令保存退出文件

修改下my.cnf的文件权限，注意这里要跟my.cnf文件的全路径，不然会报找不到

sudo chmod 664 /usr/local/etc/my.cnf

最后重启Mysql,配置文件就可以生效了。

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