生产环境4G内存云主机 MariaDB/MySQL数据库my.cnf配置文件

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所属分类:LNMP VPS/Servers

以下是老牛的数据库配置文件,经过生产环境考验,感觉还行,放出来给大家参考,配置项具体含义请自行问度娘

[client]
#password   = your_password
port        = 3306
socket      = /tmp/mysql.sock

[mysqld]
port        = 3306
socket      = /tmp/mysql.sock
user    = mariadb
basedir = 这里是你自己的路径(查安装后的默认配置文件)
datadir = 这里是你自己的路径(查安装后的默认配置文件)
log_error = 这里是你自己的路径(查安装后的默认配置文件)
pid-file = 这里是你自己的路径(查安装后的默认配置文件)

back_log = 384
bulk_insert_buffer_size = 8M
connect_timeout = 10
group_concat_max_len = 1024
join_buffer_size = 128K
key_buffer_size = 1344M
max-allowed-packet = 64M
max-connect-errors = 1000000
max_length_for_sort_data = 1024
max_connections = 500
max_heap_table_size = 256M
myisam-recover-options = FORCE,BACKUP
myisam_sort_buffer_size = 256M
myisam_max_sort_file_size = 1024M
net_buffer_length = 16384
open_files_limit = 65535
query_cache_type= 1
query_cache_size = 128M
query_cache_limit = 512K
query_cache_min_res_unit = 2K
query_prealloc_size = 262144
query_alloc_block_size = 65536
read_buffer_size = 256K
read_rnd_buffer_size = 512K
sort_buffer_size = 256K
skip-name-resolve
skip-external-locking
tmp_table_size = 256M
transaction_alloc_block_size = 8192
transaction_prealloc_size = 4096
thread_cache_size = 256
table-definition-cache = 2048
table_open_cache = 2048
thread_concurrency = 8
wait_timeout = 1800

log-bin=mysql-bin
binlog_format=mixed
server-id   = 1
expire_logs_days = 7

default_storage_engine = InnoDB
innodb_file_per_table = 1
innodb_data_home_dir = /mnt/mariadb/var
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_group_home_dir = /mnt/mariadb/var
#default innodb_buffer_pool_size = 128M
innodb_buffer_pool_size = 128M
innodb_log_file_size = 32M
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50

[mysqldump]
quick
max_allowed_packet = 32M

[mysql]
no-auto-rehash

[myisamchk]
key_buffer_size = 256M
sort_buffer_size = 256M
read_buffer = 2M
write_buffer = 2M

[mysqlhotcopy]
interactive-timeout

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