##################################################### MySQL Performance improvement configuration begin######################################### ############
Skip-name-resolve
#禁止MySQL对外部连接进行DNS解析!! IP address is used for all remote host connection authorizations
Back_log = 384
#back_log参数的值指出在MySQL暂时停止响应新请求之前的短时间内多少个请求可以被存在堆栈中.
Key_buffer_size = 256M
#key_buffer_size指定用于索引的缓冲区大小, increase it to get better index processing performance. The parameter can be set to 256M or 384M for a server that has around 4GB.
Max_allowed_packet = 4M
Thread_stack = 256K
Table_cache = 128K
Sort_buffer_size = 6M
#查询排序时所能使用的缓冲区大小. Therefore, the recommended setting for a server that has around 4GB is 6-8m.
Read_buffer_size = 4M
#读查询操作所能使用的缓冲区大小. As with Sort_buffer_size, the allocated memory for this parameter is exclusive to each connection.
Join_buffer_size = 8M
#联合查询操作所能使用的缓冲区大小, like Sort_buffer_size, the allocated memory for this parameter is exclusive to each connection.
Myisam_sort_buffer_size = 64M
Table_cache = 512
Thread_cache_size = 64
Query_cache_size = 64M
#指定MySQL查询缓冲区的大小:
Tmp_table_size = 256M
Max_connections = 768
#指定MySQL允许的最大连接进程数. If the too many connections error is frequently encountered when accessing the forum, you need to increase the parameter value.
Max_connect_errors = 10000000
Wait_timeout = 10
#指定一个请求的最大连接时间, the server with about 4GB of memory can be set to 5-10.
Thread_concurrency = 8
#该参数取值为服务器逻辑CPU数量 * *, in this case, the server has 2 physical CPUs, and each physical CPU supports H.T Hyper-threading, so the actual value is 4*2=8
table_cache=1024
#物理内存越大, the larger the setting. Default is 2402, set to 512-1024 best
innodb_additional_mem_pool_size=4m
#默认为2M
Innodb_flush_log_at_trx_commit=1
#设置为0就是等到innodb_log_buffer_size列队满后再统一储存, default is 1
Innodb_log_buffer_size=2m
#默认为1M
Innodb_thread_concurrency=4
#你的服务器CPU有几个就设置为几, the recommended default is typically 8
key_buffer_size=256m
#默认为218, tune to 128 best
tmp_table_size=128m
#默认为16M, tune to 64-256 most hanging
read_buffer_size=4m
#默认为64K
read_rnd_buffer_size=16m
#默认为256K
sort_buffer_size=32m
#默认为256K
thread_cache_size=120
#默认为60
query_cache_size=32m
##################################################### MySQL Performance improvement configuration End ########################################### ##########
Configuration of MySQL
