my.cnf 配置

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

[mysqld]
######################commonly set##################
datadir = /data/mysql/3306
port = 3306
server_id = 47
socket = /tmp/mysql.sock
skip-external-locking
skip-name-resolve
default-storage-engine = INNODB
character-set-server = utf8
wait_timeout = 100
interactive_timeout = 100
back_log = 500
myisam_recover
event_scheduler = ON
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES 

log_bin = /data/mysql/3306/mysql-bin
binlog_format = row
max_binlog_size =28M
binlog_cache_size = 2M
expire-logs-days=5
######################replication#####################
#slave-net-timeout =10
#rpl_semi_sync_master_enabled = 1
#rpl_semi_sync_master_wait_no_slave = 1
#rpl_semi_sync_master_timeout = 1000
#rpl_semi_sync_slave_enabled = 1
#skip-slave-start
#log_slave_updates = 1
#relay_log_recovery = 1

####################slow log################
slow_query_log = 1
slow_query_log_file=/data/mysql/3306/mysql.slow
long_query_time = 2

####################error log###############
log-error = /data/mysql/3306/error.log

###################per_thread_buffers##################
max_connections = 1024
max_user_connections = 1000
max_connect_errors = 10000
key_buffer_size = 64M
max_allowed_packet = 128M
#table_cache = 3096
table_open_cache = 6144
table_definition_cache = 4096
sort_buffer_size = 512K
read_buffer_size = 512K
read_rnd_buffer_size = 512K
join_buffer_size = 512K
tmp_table_size = 64M
max_heap_table_size = 64M
query_cache_type = 0
query_cache_size = 0
bulk_insert_buffer_size = 32M
thread_cache_size = 64
#thread_concurrency = 8
thread_stack=256K

###################InnoDB###########################
innodb_data_home_dir=/data/mysql/3306
innodb_log_group_home_dir=/data/mysql/3306
innodb_data_file_path=ibdata1:2000M;ibdata2:10M:autoextend
innodb_buffer_pool_size=6144M
innodb_buffer_pool_instances=8
innodb_additional_mem_pool_size=16M
innodb_log_file_size=1024M
innodb_log_buffer_size=64M
innodb_log_files_in_group=3
innodb_flush_log_at_trx_commit =2
innodb_lock_wait_timeout=10
innodb_sync_spin_loops=40
innodb_max_dirty_pages_pct=90
innodb_support_xa=1
innodb_thread_concurrency=0
innodb_thread_sleep_delay=500
innodb_file_io_threads=4
log_bin_trust_function_creators=1
innodb_flush_method=O_DIRECT
innodb_file_per_table
innodb_read_io_threads=4
innodb_write_io_threads=4
innodb_io_capacity=2000
innodb_file_format=Barracuda
innodb_purge_threads=1
innodb_purge_batch_size=32
innodb_old_blocks_pct=75
innodb_change_buffering=all
transaction_isolation=READ-COMMITTED

[mysqldump]
quick
max_allowed_packet=128M
myisam_max_sort_file_size=10G

[mysql]
auto-rehash
default-character-set = utf8

[myisamchk]
key_buffer_size=64M
sort_buffer_size=256K
read_buffer=2M
write_buffer=2M

[mysqlhotcopy]
interactive-timeout

[mysqld_safe]
open-files-limit=28192