MYSQL在1G VPS上的性能优化配置

今天不小心把数据给删除了，好在有备份，唉，烦死了。然后，各种装，装好后，在优化数据库这块，看到螃蟹氪的这篇优化笔记¹，顺手拿来用了，目前感觉好使。

[mysql] # CLIENT # port = 3306 socket = /var/lib/mysql/mysql.sock [mysqld] # GENERAL # user = mysql default-storage-engine = InnoDB socket = /var/lib/mysql/mysql.sock pid-file = /var/lib/mysql/mysql.pid # MyISAM # key-buffer-size = 32M myisam-recover = FORCE,BACKUP # SAFETY # max-allowed-packet = 16M max-connect-errors = 1000000 skip-name-resolve innodb = FORCE # DATA STORAGE # datadir = /var/lib/mysql/ # CACHES AND LIMITS # tmp-table-size = 32M max-heap-table-size = 32M query-cache-type = 0 query-cache-size = 0 max-connections = 500 thread-cache-size = 50 open-files-limit = 65535 table-definition-cache = 1024 table-open-cache = 2048 # INNODB # innodb-flush-method = O_DIRECT innodb-log-files-in-group = 2 innodb-log-file-size = 64M innodb-flush-log-at-trx-commit = 1 innodb-file-per-table = 1 innodb-buffer-pool-size = 512M # LOGGING # log-error = /var/lib/mysql/mysql-error.log log-queries-not-using-indexes = 1 slow-query-log = 1 slow-query-log-file = /var/lib/mysql/mysql-slow.log

1. http://pangxiekr.com/1g-vpsshang-mysql-pei-zhi-you-hua/ ↩︎