再会。
我知道这可能是其他问题的重复,但是我已经在许多线程中应用了所有建议,但我仍然遇到同样的问题。
我有一个使用 max 的存储过程3 tables。当我运行该程序时,只30% of my CPU使用了大约25% of RAM.
我坐在一个CPU with 4 cores and 16GB RAM.
my.ini 如下所示:
[client]
port = 3306
socket = /tmp/mysql.sock
[mysqld]
port = 3306
socket = /tmp/mysql.sock
skip-external-locking
key_buffer_size = 512M
max_allowed_packet = 32M
table_open_cache = 512
sort_buffer_size = 2M
read_buffer_size = 2M
read_rnd_buffer_size = 8M
myisam_sort_buffer_size = 128M
thread_cache_size = 16
query_cache_size= 32M
thread_concurrency = 0
log-bin=mysql-bin
binlog_format=mixed
server-id = 1
innodb_buffer_pool_size = 12G …Run Code Online (Sandbox Code Playgroud)