wordpress 管理画面が重たい
$ top ←メモリ使用量
mysql
php-fpm ← 複数ある
mysql> show variables like 'table_definition_cache';
+------------------------+-------+
| Variable_name | Value |
+------------------------+-------+
| table_definition_cache | 1400 |
+------------------------+-------+
mysql> show variables like 'performance_schema';
+--------------------+-------+
| Variable_name | Value |
+--------------------+-------+
| performance_schema | ON |
+--------------------+-------+
# vi /etc/my.cnf
[mysql.d]
# 以下を追記
table_definition_cache = 400
performance_schema = 0
#vi /etc/php-fpm.d/www.cnf
pm = static
pm.max_children = 2
pm.max_requests = 500
# service php-fpm restart
https://autovice.jp/articles/104