mysql配置文件参数简析-创新互联

下文内容主要给大家带来mysql配置文件参数简析，这里所讲到的知识，与书籍略有不同，都是创新互联专业技术人员在与用户接触过程中，总结出来的，具有一定的经验分享价值，希望给广大读者带来帮助。

今晚要创建十几套mysql数据库，贴一个mysql配置文件参数供参考：

cat /etc/my.cnf
[mysql]
#CLIENT #
port                          = 3307
socket                        = /data/mysql_3307/data/mysql.sock
default-character-set         = utf8
#
[mysqld]
#
port                          = 3307
# GENERAL #
user                          = mysql
default-storage-engine        = InnoDB
socket                        = /data/mysql_3307/data/mysql.sock
pid-file                      = /data/mysql_3307/data/mysql.pid
character_set_server          = utf8
#
# MyISAM #
key-buffer-size               = 32M
myisam-recover-options        = FORCE,BACKUP
#
# SAFETY #
max-connections               = 100000
max-allowed-packet            = 256M
max-connect-errors            = 1000000
skip-name-resolve
sysdate-is-now                = 1
lower_case_table_names        = 1
explicit_defaults_for_timestamp = 1
symbolic-links                = 0
#
# DATA STORAGE #
basedir                       = /usr/local/mysql
datadir                       = /data/mysql_3307/data
#
# BINARY LOGGING #
server-id                     = 56100
log-bin                       = /data/mysql_3307/data/mysql-bin
expire-logs-days              = 14
sync-binlog                   = 1
log_bin_trust_function_creators = 1
transaction_isolation = READ-COMMITTED

# GITD MODE #
gtid_mode                     = ON
enforce-gtid-consistency      = 1
binlog_cache_size             = 4M
max_binlog_size               = 1G
max_binlog_cache_size         = 2G
#
# REPLICATION #
skip-slave-start              = 0
relay-log                     = /data/mysql_3307/data/relay-bin
slave-net-timeout             = 60
sync-master-info              = 0
sync-relay-log                = 0
sync-relay-log-info           = 0
slave_pending_jobs_size_max   = 256M
binlog_group_commit_sync_delay = 100000


#
#rpl_semi_sync_master_enabled=1
#rpl_semi_sync_master_timeout=10000# 表示10 second
#rpl_semi_sync_slave_enabled=1
#
slave-parallel-type           = LOGICAL_CLOCK
slave-parallel-workers        = 24
master_info_repository        = TABLE
relay_log_info_repository     = TABLE
relay_log_recovery            = ON
# CACHES AND LIMITS #
tmp-table-size                = 32M
max-heap-table-size           = 32M
query-cache-type              = 0
query-cache-size              = 0
thread-cache-size             = 300
open-files-limit              = 65535
table-definition-cache        = 4096
table-open-cache              = 4096
#
# INNODB #
innodb-flush-method           = O_DIRECT
innodb-log-files-in-group     = 5
innodb-log-file-size          = 2048M
innodb-flush-log-at-trx-commit = 1
innodb-file-per-table         = 1
innodb-buffer-pool-size       = 300G
innodb_io_capacity            = 10000
innodb_io_capacity_max        = 20000
innodb_write_io_threads       = 16
innodb_read_io_threads        = 16
innodb_flush_neighbors        = 0
innodb_buffer_pool_instances  = 16
innodb_max_dirty_pages_pct    = 75

# LOGGING #
log-error                     = /logs/mysql_3307/mysql-error.log
log_timestamps                = SYSTEM
log-queries-not-using-indexes = 0
slow-query-log                = 1
slow-query-log-file           = /logs/mysql_3307/mysql-slow.log
long_query_time = 1
#
[mysqladmin]
port                          = 3307
socket                        = /data/mysql_3307/data/mysql.sock

[mysqldump]
port                          = 3307
socket                        = /data/mysql_3307/data/mysql.sock


#
[xtrabackup]
port                          = 3307
socket                        = /data/mysql_3307/data/mysql.sock

[mysqlbackup]
port                          = 3307
socket                        = /data/mysql_3307/data/mysql.sock

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