[client]                   
port  = 3306               
socket  = /application/mysql-5.5.32/tmp/mysql.sock
[mysqld]
port  = 3306               
socket  = /application/mysql-5.5.32/tmp/mysql.sock
back_log = 50              
max_connections = 100      
max_connect_errors = 10    
table_open_cache = 2048    
max_allowed_packet = 16M   
binlog_cache_size = 1M     
max_heap_table_size = 64M  
read_buffer_size = 2M      
read_rnd_buffer_size = 16M
sort_buffer_size = 8M      
join_buffer_size = 8M      
thread_cache_size = 8      
thread_concurrency = 8     
query_cache_size = 64M     
query_cache_limit = 2M     
ft_min_word_len = 4        
default-storage-engine = MYISAM        
thread_stack = 192K                    
transaction_isolation = REPEATABLE-READ
tmp_table_size = 64M                   
log-bin=mysql-bin                      
binlog_format=mixed                    
slow_query_log                         
long_query_time = 2                    
server-id = 1                          
key_buffer_size = 32M                  
bulk_insert_buffer_size = 64M          
myisam_sort_buffer_size = 128M         
myisam_max_sort_file_size = 10G        
myisam_repair_threads = 1              
myisam_recover                         
innodb_additional_mem_pool_size = 16M  
innodb_buffer_pool_size = 2G           
innodb_data_file_path = ibdata1:10M:autoextend  
innodb_write_io_threads = 8        
innodb_read_io_threads = 8             
innodb_thread_concurrency = 16         
innodb_flush_log_at_trx_commit = 1     
innodb_log_buffer_size = 8M            
innodb_log_file_size = 256M            
innodb_log_files_in_group = 3          
innodb_max_dirty_pages_pct = 90        
innodb_lock_wait_timeout = 120         
[mysqldump]
quick
max_allowed_packet = 16M  
[mysql]
no-auto-rehash
[myisamchk]
key_buffer_size = 512M
sort_buffer_size = 512M
read_buffer = 8M
write_buffer = 8M
[mysqlhotcopy]
interactive-timeout
[mysqld_safe]
open-files-limit = 8192   

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my-innodb-heavy-4G.cnf配置文件说明