MySQL配置优化参数
MySQL
发布时间:2025-03-19 18:31:54
vim /etc/my.cnf
# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html
[mysqld]
#
# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M
#
# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin
#
# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
event_scheduler=1
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER
max_connections=1000
skip_name_resolve
innodb_buffer_pool_size = 32000M
innodb_log_file_size = 2048M
query_cache_type=0
query_cache_size=0
query_cache_limit=1M
server-id = 112031
master-info-repository = table
relay-log-info-repository = table
relay-log-recovery=1
log-bin = mysql-bin
expire_logs_days = 7
binlog_format = mixed
#binlog-ignore-db = mysql
binlog-ignore-db = sys
binlog-ignore-db = phpmyadmin
binlog-ignore-db = information_schema
binlog-ignore-db = performance_schema
log-slave-updates
#replicate-ignore-db = mysql
#
slave-skip-errors=all
slow_query_log = 1
long_query_time = 2
#log_output = table
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