cat >> /etc/my.cnf << EOF
# --------------------------- Start -----------------------
#my.cnf
[client]
port = 3306
socket = /tmp/mysql.sock
[mysql]
prompt="\\u@\\h \\D \\R:\\m:\\s [\\d]\n-->
#pager="less -i -n -S"
tee=/home/mysqldata/query.log
[mysqld]
user = mysql
basedir = /opt/mysql
datadir = /home/mysqldata
port = 3306
socket = /tmp/mysql.sock
#timeout
interactive_timeout = 300
wait_timeout = 300
#character set
character-set-server = utf8
open_files_limit = 65535
max_connections = 1000
max_connect_errors = 100000
#logs
log-output=file
slow_query_log = 1
slow_query_log_file = /home/mysqldata/slow.log
log-error = /home/mysqldata/error.log
log_warnings = 2
pid-file = /home/mysqldata/mysql.pid
long_query_time = 1
#log-slow-admin-statements = 1
#log-queries-not-using-indexes = 1
log-slow-slave-statements = 1
# binlog
binlog_format = mixed
server-id = 1
log-bin = mybinlog
binlog_cache_size = 4M
max_binlog_size = 512M
innodb_log_files_in_group = 2
max_binlog_cache_size = 512M
sync_binlog = 1
expire_logs_days = 10
skip_name_resolve = 1
# buffers & cache
table_open_cache = 2048
table_definition_cache = 2048
table_open_cache = 2048
max_heap_table_size = 96M
sort_buffer_size = 2M
join_buffer_size = 2M
thread_cache_size = 256
query_cache_size = 0
query_cache_type = 0
query_cache_limit = 256K
query_cache_min_res_unit = 512
thread_stack = 192K
tmp_table_size = 96M
key_buffer_size = 8M
read_buffer_size = 2M
read_rnd_buffer_size = 16M
bulk_insert_buffer_size = 32M
# myisam
myisam_sort_buffer_size = 128M
myisam_max_sort_file_size = 1G
myisam_repair_threads = 1
# innodb
# 注意按情况修改 buffer pool大小
innodb_buffer_pool_size = 1G
innodb_buffer_pool_instances = 1
innodb_data_file_path = ibdata1:1G:autoextend
innodb_flush_log_at_trx_commit = 1
innodb_log_buffer_size = 64M
innodb_log_file_size = 256M
innodb_max_dirty_pages_pct = 50
innodb_file_per_table = 1
innodb_rollback_on_timeout
innodb_status_file = 1
innodb_io_capacity = 2000
transaction_isolation = READ-COMMITTED
innodb_flush_method = O_DIRECT
# --------------------------- End -----------------------
EOF 
