mysql5.7 最优配置_MySQL 5.6 & 5.7最优配置模板

客官°小女子只卖身不卖艺 2023-01-11 13:13 33阅读 0赞

原帖地址：http://blog.csdn.net/u010725670/article/details/50630786

Inside君整理了一份最新基于MySQL 5.6和5.7的配置文件模板，基本上可以说覆盖90%的调优选项，用户只需根据自己的服务器配置稍作修改即可，如InnoDB缓冲池的大小、IO能力(innodb\_buffer\_pool\_size，innodb\_io\_capacity)。特别注意，这份配置文件不用修改，可以直接运行在MySQL 5.6和5.7的版本下，这里使用了小小的技巧，具体可看配置文件。如果配置参数存在问题，也可以及时反馈Inside君，我们一起成长。

触发Inside君做这件事情的原因是大部分网络上的MySQL配置文件都非常非常古老，大多都是基于MySQL 5.1的版本，这导致了绝大部分MySQL并没有运行在最优的环境，从而导致一些错误的使用，亦或是灾难性事故的发生，比如数据丢失，主从数据不一致等。而这些问题早在5.6版本及以后的版本中得到了解决。

最后，抛弃你那所谓的、陈旧的、错误的MySQL配置文件，面向一个崭新的高性能、高可靠、高可扩展MySQL时代，你要做的就是下载这份配置文件并用于你的生产环境

\[client\]

user=david

password=88888888

\[mysqld\]

\#\#\#\#\#\#\#\#basic settings\#\#\#\#\#\#\#\#

server-id = 11

port = 3306

user = mysql

bind\_address = 10.166.224.32

autocommit = 0

character\_set\_server=utf8mb4

skip\_name\_resolve = 1

max\_connections = 800

max\_connect\_errors = 1000

datadir = /data/mysql\_data

transaction\_isolation = READ-COMMITTED

explicit\_defaults\_for\_timestamp = 1

join\_buffer\_size = 134217728

tmp\_table\_size = 67108864

tmpdir = /tmp

max\_allowed\_packet = 16777216

sql\_mode = "STRICT\_TRANS\_TABLES,NO\_ENGINE\_SUBSTITUTION,NO\_ZERO\_DATE,NO\_ZERO\_IN\_DATE,ERROR\_FOR\_DIVISION\_BY\_ZERO,NO\_AUTO\_CREATE\_USER"

interactive\_timeout = 1800

wait\_timeout = 1800

read\_buffer\_size = 16777216

read\_rnd\_buffer\_size = 33554432

sort\_buffer\_size = 33554432

\#\#\#\#\#\#\#\#log settings\#\#\#\#\#\#\#\#

log\_error = error.log

slow\_query\_log = 1

slow\_query\_log\_file = slow.log

log\_queries\_not\_using\_indexes = 1

log\_slow\_admin\_statements = 1

log\_slow\_slave\_statements = 1

log\_throttle\_queries\_not\_using\_indexes = 10

expire\_logs\_days = 90

long\_query\_time = 2

min\_examined\_row\_limit = 100

\#\#\#\#\#\#\#\#replication settings\#\#\#\#\#\#\#\#

master\_info\_repository = TABLE

relay\_log\_info\_repository = TABLE

log\_bin = bin.log

sync\_binlog = 1

gtid\_mode = on

enforce\_gtid\_consistency = 1

log\_slave\_updates

binlog\_format = row

relay\_log = relay.log

relay\_log\_recovery = 1

binlog\_gtid\_simple\_recovery = 1

slave\_skip\_errors = ddl\_exist\_errors

\#\#\#\#\#\#\#\#innodb settings\#\#\#\#\#\#\#\#

innodb\_page\_size = 8192

innodb\_buffer\_pool\_size = 6G

innodb\_buffer\_pool\_instances = 8

innodb\_buffer\_pool\_load\_at\_startup = 1

innodb\_buffer\_pool\_dump\_at\_shutdown = 1

innodb\_lru\_scan\_depth = 2000

innodb\_lock\_wait\_timeout = 5

innodb\_io\_capacity = 4000

innodb\_io\_capacity\_max = 8000

innodb\_flush\_method = O\_DIRECT

innodb\_file\_format = Barracuda

innodb\_file\_format\_max = Barracuda

innodb\_log\_group\_home\_dir = /redolog/

innodb\_undo\_directory = /undolog/

innodb\_undo\_logs = 128

innodb\_undo\_tablespaces = 3

innodb\_flush\_neighbors = 1

innodb\_log\_file\_size = 4G

innodb\_log\_buffer\_size = 16777216

innodb\_purge\_threads = 4

innodb\_large\_prefix = 1

innodb\_thread\_concurrency = 64

innodb\_print\_all\_deadlocks = 1

innodb\_strict\_mode = 1

innodb\_sort\_buffer\_size = 67108864

\#\#\#\#\#\#\#\#semi sync replication settings\#\#\#\#\#\#\#\#

plugin\_dir=/usr/local/mysql/lib/plugin

plugin\_load = "rpl\_semi\_sync\_master=semisync\_master.so;rpl\_semi\_sync\_slave=semisync\_slave.so"

loose\_rpl\_semi\_sync\_master\_enabled = 1

loose\_rpl\_semi\_sync\_slave\_enabled = 1

loose\_rpl\_semi\_sync\_master\_timeout = 5000

\[mysqld-5.7\]

innodb\_buffer\_pool\_dump\_pct = 40

innodb\_page\_cleaners = 4

innodb\_undo\_log\_truncate = 1

innodb\_max\_undo\_log\_size = 2G

innodb\_purge\_rseg\_truncate\_frequency = 128

binlog\_gtid\_simple\_recovery=1

log\_timestamps=system

transaction\_write\_set\_extraction=MURMUR32

show\_compatibility\_56=on

mysql5.7 最优配置_MySQL 5.6 & 5.7最优配置模板

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