[mysqld]
# generic configuration options
port         = 3306 
user         = mysql   
# 绑定网卡
#bind-address = 10.171.249.36
skip-name-resolve
skip-external-locking
default-storage-engine = INNODB
character-set-server = utf8
basedir = /usr
datadir = /var/lib/mysql
socket=/var/lib/mysql/mysql.sock
                       
# Network 
back_log = 512
wait_timeout = 100
connect_timeout = 20
interactive_timeout = 100
myisam_recover
event_scheduler = ON

# per_thread_buffers
max_connections = 382
max_user_connections = 300
max_connect_errors = 30
key_buffer_size = 64M
max_allowed_packet = 32M
table_cache = 4096
table_open_cache = 6144
table_definition_cache = 4096

read_buffer_size = 512K
read_rnd_buffer_size = 512K
sort_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 = 32
thread_stack = 256K

# Binlog
log-bin = mysql-bin
binlog_cache_size = 2M
binlog_format=mixed
max_binlog_size = 128M
expire-logs-days = 5
log_warnings #开启警告日志
                       
# slow query log
slow_query_log = 1
slow_query_log_file = /data/logs/mysql/mysql_slow.log
long_query_time = 2

# Error log
log-error = /data/logs/mysql/error.log

# Replication related settings
server-id = 100
#server-id = 2
#read_only

# INNODB Options
innodb_buffer_pool_size = 256M
innodb_additional_mem_pool_size = 16M
innodb_data_file_path = ibdata1:10M:autoextend
#innodb_data_home_dir = <directory>
#innodb_write_io_threads = 8
#innodb_read_io_threads = 8
innodb_force_recovery=0
innodb_thread_concurrency = 0
innodb_flush_log_at_trx_commit = 1
#innodb_buffer_poll_instances = 2
innodb_log_buffer_size = 16M
innodb_log_file_size = 512M
innodb_log_files_in_group = 3
#innodb_log_group_home_dir = /data/logs/mysql
innodb_sync_spin_loops = 40
innodb_max_dirty_pages_pct = 90
#innodb_flush_method=O_DSYNC
innodb_lock_wait_timeout = 60
innodb_thread_sleep_delay = 500
innodb_file_io_thread = 4
#脏页刷新数量[单盘:200, 阵列:2000, SSD:5000, Fusion-IO:50000]
innodb_io_capacity = 100
innodb_change_buffering = all
innodb_old_blocks_pct = 75
innodb_purge_batch_size = 32
innodb_purge_threads = 1
innodb_flush_method = O_DIRECT
transaction_isolation = READ-COMMITTED

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

[mysql]
#user = root
#password = 123456
no-auto-rehash