MySQL配置文件my.cnf优化详解(mysql5.5)(10)

# InnoDB 有其内置的死锁检测机制，能导致未完成的事务回滚。但是，如果结合InnoDB使用MyISAM的lock tables 语句或第三方事务引擎,则InnoDB无法识别死锁。为消除这种可能性，可以将innodb_lock_wait_timeout设置为一个整数值，指示 MySQL在允许其他事务修改那些最终受事务回滚的数据之前要等待多长时间(秒数)

innodb_lock_wait_timeout = 120

#独享表空间（关闭）

innodb_file_per_table = 0

#start mysqld with –slow-query-log-file=/data/mysql/3306/slow.log

slow_query_log

long_query_time = 1

replicate-ignore-db = mysql

replicate-ignore-db = test

replicate-ignore-db = information_schema

#配置从库上的更新操作是否写二进制文件，如果这台从库，还要做其他从库的主库，那么就需要打这个参数，以便从库的从库能够进行日志同步这个参数要和—logs-bin一起使用

log-slave-updates

log-bin = /data/mysql/3306/binlog/binlog

binlog_cache_size = 4M

#STATEMENT,ROW,MIXED

#基于SQL语句的复制(statement-based replication, SBR)，基于行的复制(row-based replication, RBR)，混合模式复制(mixed-based replication, MBR)。相应地，binlog的格式也有三种：STATEMENT，ROW，MIXED。

binlog_format = MIXED

max_binlog_cache_size = 64M

max_binlog_size = 1G

relay-log-index = /data/mysql/3306/relaylog/relaylog

relay-log-info-file = /data/mysql/3306/relaylog/relaylog

relay-log = /data/mysql/3306/relaylog/relaylog

expire_logs_days = 30

skip-name-resolve

#master-connect-retry = 10

slave-skip-errors = 1032,1062,126,1114,1146,1048,1396

server-id = 1

[mysqldump]

quick

max_allowed_packet = 32M

[myisamchk]

key_buffer_size = 256M

sort_buffer_size = 256M

read_buffer = 2M

write_buffer = 2M

[mysqlhotcopy]

interactive-timeout