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mysql配置文件参数浅析

发布时间:2023-08-28 15:21:05 所属栏目:MySql教程 来源:
导读: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,都是亿速云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
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,都是亿速云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
 
mysql配置文件参数简析
 
# 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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