vi /etc/my.cnf

performance_schema = 0

table_cache = 100
table_definition_cache = 100
max-connect-errors = 10000

query_cache_size = 64M
query_cache_limit = 2M

vi /etc/php-fpm.d/www.conf

#listen = 127.0.0.1:9000
#user = daemon
#group = daemon

pm = dynamic
pm.max_children = 4
pm.start_servers = 5
pm.min_spare_servers = 3
pm.max_spare_servers = 5
pm.max_requests = 50