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DirectAdmin默认的Mysql配置,在大流量的虚拟主机服务器下显得力不从心,给系统带来较大的负载,在网上参考了一些适用于DA的MYSQL相关的优化参数,特此出来分享一下,各IDC请根据自己客户和服务器的情况做修改吧。此配置适合Directadmin自带Mysql的5.0和5.1版本。一、DA的mysql配置文件路径vim /etc/my.cnf二、默认文件内容[mysqld]local-infile=0三、可参考内容[mysqld]local-infile=0skip-lockingbind-address=127.0.0.1 #只允许本地访问,不允许外部IP访问(防止客户倒卖MYSQL)query_cache_limit=1Mquery_cache_size=32Mquery_cache_type=1max_connections=500 #最大MYSQL连接数interactive_timeout=100wait_timeout=100connect_timeout=10thread_cache_size=128key_buffer=16Mjoin_buffer=1Mmax_allowed_packet=16Mtable_cache=1024record_buffer=1M#Copyright by kwx.gdsort_buffer_size=2Mread_buffer_size=2Mmax_connect_errors=10thread_concurrency=2 #使用多少个CPU核心处理MYSQLmyisam_sort_buffer_size=64Mserver-id=1[safe_mysqld]err-log=/var/log/mysqld.logopen_files_limit=8192[mysqldump]quickmax_allowed_packet=16M[mysql]no-auto-rehash[isamchk]key_buffer=64Msort_buffer=64Mread_buffer=16Mwrite_buffer=16M[myisamchk]key_buffer=64Msort_buffer=64Mread_buffer=16Mwrite_buffer=16M[mysqlhotcopy]interactive-timeout四、重启MYSQL使其生效/sbin/service mysqld restart |
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