Кстати, ресурсы MySQL, остающиеся после апача и прочего.... опционально проверить, например, вот так:
Code:
$ sudo mysql -u root -p
Enter password:
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 9
Server version: 5.5.41-MariaDB MariaDB Server
Copyright (c) 2000, 2014, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MariaDB [(none)]> SHOW GLOBAL STATUS LIKE 'innodb_buffer_pool_pages_free';
+-------------------------------+-------+
| Variable_name | Value |
+-------------------------------+-------+
| Innodb_buffer_pool_pages_free | 7619 |
+-------------------------------+-------+
1 row in set (0.00 sec)
MariaDB [(none)]> SHOW GLOBAL STATUS LIKE 'innodb_buffer_pool_pages_data';
+-------------------------------+-------+
| Variable_name | Value |
+-------------------------------+-------+
| Innodb_buffer_pool_pages_data | 610 |
+-------------------------------+-------+
1 row in set (0.00 sec)
Сказанное актуально в контексте прочтения статьи
Red Hat Enterprise Linux 7.1: если крэшится база
