mac 增加 my.cnf
发布时间：2018-04-25作者：laosun阅读(8133)
mysql下没有my.cnf，如果想要修改一些配置还挺懵逼的，网上找了一些资料，经过博主亲测没有问题，发篇文章一为共享，二为做个备忘。
博主使用的mysql 为 5.7.22
首先查看mysql安装目录下support-files文件夹下是否有my-default.cnf这个文件sun:support-files sun$ pwd
/usr/local/mysql/support-files
sun:support-files sun$ ll
total 48
-rw-r--r-- 1 root wheel 773 3 4 21:40 magic
-rwxr-xr-x 1 root wheel 894 3 4 22:27 mysql-log-rotate*
-rwxr-xr-x 1 root wheel 10585 3 4 22:27 mysql.server*
-rwxr-xr-x 1 root wheel 1061 3 4 22:27 mysqld_multi.server*
如果有，就好办了，直接转移到/etc下，并且修改名字为my.cnf
sun:support-files sun$ mv /usr/local/mysql/support-files/my-default.cnf /etc/my.cnf
如果没有则需要自己创建一个文件。
sun:support-files sun$ vim /etc/my.cnf #会打开创建一个新的文件，将下边的内容复制进去
# 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]
#解决only_full_group_by的问题
#sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
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
保存退出。
sun:support-files sun$ chmod 664 /etc/my.cnf
6 +1
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