my.conf

Posted Tom-Li

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线上my.cnf的配置文件,机器是48G内存,12*15K 300GSAS机器,DELL R510。
可以参考,不同的配置设置不一样,所以建议拿去仅作参考。

 

 

# mysql configure file.
# MySQL_version 5.5.12
# Version 1.1
# Date    2011-05-15

# The MySQL server
[mysqld]
port                            = 4714
user                            = my4714
datadir                         = /data1/mysql4714
tmpdir                          = /dev/shm
slave-load-tmpdir               = /tmp
socket                          = /tmp/mysql4714.sock
key_buffer_size                 = 64M
max_allowed_packet              = 16M
table_cache                     = 2048
join_buffer_size                = 16M
sort_buffer_size                = 16M
read_buffer_size                = 16M
read_rnd_buffer_size            = 32M
myisam_sort_buffer_size         = 128M
query_cache_size                = 256M
query_cache_limit               = 8M
query_cache_type                = off
max_tmp_tables                  = 256
tmp_table_size                  = 128M
max_heap_table_size             = 128M
thread_cache                    = 64
thread_concurrency              = 32
max_connect_errors              = 99999999
slow-query-log                  = 1
slow-query-log-file             = slow.log
back_log                        = 600
myisam_repair_threads           = 1
myisam-recover                  = DEFAULT
expire_logs_days                = 10
interactive_timeout             = 28800
wait_timeout                    = 28800

#old_passwords=1
skip-slave-start
skip-name-resolve
max_user_connections   = 8000
max_connections   = 8096
character-set-server   = utf8
read_only = 0
log-slave-updates = 1
#-------------    innodb  --------------
innodb_file_format              = Barracuda
default-storage-engine          = InnoDB
innodb_buffer_pool_size         = 4G
innodb_additional_mem_pool_size = 32M
innodb_data_file_path           = ibdata1:100M:autoextend
innodb_flush_log_at_trx_commit  = 0
innodb_log_buffer_size          = 8M
innodb_log_file_size            = 1300M
innodb_log_files_in_group       = 3
innodb_max_dirty_pages_pct      = 90
innodb_lock_wait_timeout        = 20
innodb_file_per_table           = 1
innodb_flush_method             = O_DIRECT
innodb_support_xa               = 0
innodb_io_capacity              = 500
innodb_buffer_pool_instances    = 4
replicate_wild_ignore_table = status_%.status_09%
replicate_wild_ignore_table = status_%.status_10%
replicate_wild_ignore_table = status_%.status_12%


server-id                    = 112014714
log-bin                         = mysql-bin
relay-log                       = relay-bin
log-error                       = error.log



#new cnf by auto rebuild
slow_query_log_file             = slow.log

[client]
user                            = xxxxxx
password                        = xxxxxxx
port                            = 4714
socket                          = /tmp/mysql4714.sock
no-auto-rehash
character_set_client            = utf8

[myisamchk]
key_buffer_size                 = 64M
sort_buffer_size                = 32M
read_buffer                     = 16M
write_buffer                    = 16M

 

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