您好正在尝试针对巨大流量的 Web 服务器优化 MySQL，我们使用的是 Apache 2.4 和 MySQL 5.6 版本。
我们已将这些参数放在 MySQL 配置文件中
猫 /etc/my.cnf
[mysqld]
skip-external-locking
key_buffer = 500M
max_allowed_packet=64M
max_connections = 2000
max_user_connections = 50000
wait_timeout=180
connect_timeout=120
table_open_cache=4096
table_definition_cache=4096
myisam_sort_buffer_size = 64M
thread_cache_size = 128
query_cache_size = 190M
query_cache_limit = 3M
open_files_limit=10000
log_error = /var/log/mysql/error.log
default-storage-engine=MyISAM
[mysqld]
log-bin=mysql-bin
binlog-do-db=******
server-id=1
[mysql]
no-auto-rehash
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
replicate-do-db=*****
auto_increment_increment = 2
auto_increment_offset = 1
replicate-same-server-id = 0
slave-skip-errors=all
[mysqld]
slave-skip-errors=1062
skip-slave-start
query_cache_type=1
[mysqld]
innodb_lock_wait_timeout=120
slave_compressed_protocol=1