自己服务器上的mysql配置文件

[client]

port            = 3306

socket          = /usr/local/mysql/data/mysql.sock

[mysqld]

port            = 3306

socket          = /usr/local/mysql/data/mysql.sock

datadir         = /usr/local/mysql/data

skip-external-locking

key_buffer_size = 16M

max_allowed_packet = 4M

table_open_cache = 4096

sort_buffer_size = 8M

net_buffer_length = 32K

read_buffer_size = 8M

read_rnd_buffer_size = 32M

bulk_insert_buffer_size = 64M

myisam_repair_threads = 1

skip-name-resolve

back_log = 600 

max_connections = 2000 

max_connect_errors = 4000

open_files_limit = 65535 

binlog_cache_size = 4M

max_heap_table_size = 8M

join_buffer_size = 8M 

thread_cache_size = 8 

query_cache_size = 32M 

query_cache_limit = 2M

query_cache_min_res_unit = 2k

ft_min_word_len = 4

thread_stack = 192K

tmp_table_size = 120M

slow_query_log = 1 

long_query_time = 1  

slow_query_log_file = /data/mysql/data/mysql-slow.log

skip-external-locking

bulk_insert_buffer_size = 8M

interactive_timeout = 28800

wait_timeout = 28800

myisam_sort_buffer_size = 8M

myisam_max_sort_file_size = 10G

myisam_repair_threads = 1

log-bin=mysql-bin

binlog_format=mixed

server-id       = 1

[mysqldump]

quick

max_allowed_packet = 16M

[mysql]

no-auto-rehash

[myisamchk]

key_buffer_size = 256M

sort_buffer_size = 256M

[mysqlhotcopy]

interactive-timeout

不需要重启mysql，使之生效的方法：

set global max_allowed_packet = 167772160;

set global query_cache_limit = 33554432;  

set global myisam_sort_buffer_size = 125829120;

set global bulk_insert_buffer_size = 125829120;

set global max_heap_table_size = 314572800;  

set global tmp_table_size = 314572800;