开发环境、测试环境的配置参数建议

假设我们统一字符集为utf8，统一默认引擎为InnoDB，那么建议默认的配置文件my.cnf如下，这份配置文件没有进行关注性
能方面的调整，大家可以对照自己的环境修改或增加适当的参数。

---

[client]
port = 3306
socket = / tmp/mysql.sock
default-character-set = utf8
[mysqld]
character-set-server = utf8
port = 3306
socket = /tmp/mysql.sock
user = mysql
skip-external-locking
max_connections=3000
max_connect_errors=3000
thread_cache_size = 300
skip-name-resolve
server-id = 1
binlog_format=mixed
expire-logs-days = 8
sync_binlog=60
innodb_log_file_size = 256M
default-storage-engine=innodb
[mysqldump]
quick
max_allowed_packet = 16M
[mysql]
no-auto-rehash
default-character-set = utf8

---