mysql 檢視sql的執行頻率

7.1 檢視sql的執行頻率

show 【session|global】 status;

mysql> show session status like 'com_insert%';

+-------------------+-------+
| variable_name     | value |
+-------------------+-------+
| com_insert        | 0     |
| com_insert_select | 0     |
+-------------------+-------+
2 rows in set (0.00 sec)
mysql> show session status like 'com_select%';
+---------------+-------+
| variable_name | value |
+---------------+-------+
| com_select    | 43    |
+---------------+-------+
1 row in set (0.00 sec)
mysql> show session status like 'com_update%';
+------------------+-------+
| variable_name    | value |
+------------------+-------+
| com_update       | 0     |
| com_update_multi | 0     |
+------------------+-------+
2 rows in set (0.00 sec)
mysql> show session status like 'com_delete%';
+------------------+-------+
| variable_name    | value |
+------------------+-------+
| com_delete       | 4     |
| com_delete_multi | 0     |
+------------------+-------+
2 rows in set (0.00 sec)

mysql> show global status like 'com_delete%';

+------------------+-------+
| variable_name    | value |
+------------------+-------+
| com_delete       | 7     |
| com_delete_multi | 0     |
+------------------+-------+
2 rows in set (0.00 sec)
mysql> show global status like 'com_insert%';
+-------------------+-------+
| variable_name     | value |
+-------------------+-------+
| com_insert        | 8     |
| com_insert_select | 7     |
+-------------------+-------+
2 rows in set (0.00 sec)
mysql> show global status like 'com_update%';
+------------------+-------+
| variable_name    | value |
+------------------+-------+
| com_update       | 0     |
| com_update_multi | 0     |
+------------------+-------+
2 rows in set (0.00 sec)
mysql> show global status like 'com_select%';
+---------------+-------+
| variable_name | value |
+---------------+-------+
| com_select    | 139   |
+---------------+-------+
1 row in set (0.00 sec)

mysql> show session status like 'innodb_rows%';

+----------------------+-------+
| variable_name        | value |
+----------------------+-------+
| innodb_rows_deleted  | 2     |
| innodb_rows_inserted | 4     |
| innodb_rows_read     | 27    |
| innodb_rows_updated  | 0     |
+----------------------+-------+
4 rows in set (0.00 sec)
mysql> show global status like 'innodb_rows%';
+----------------------+-------+
| variable_name        | value |
+----------------------+-------+
| innodb_rows_deleted  | 2     |
| innodb_rows_inserted | 4     |
| innodb_rows_read     | 27    |
| innodb_rows_updated  | 0     |
+----------------------+-------+
4 rows in set (0.00 sec)

mysql> show global status like 'connections';

+---------------+-------+
| variable_name | value |
+---------------+-------+
| connections   | 8     |
+---------------+-------+
1 row in set (0.00 sec)
mysql> show session status like 'connections';
+---------------+-------+
| variable_name | value |
+---------------+-------+
| connections   | 8     |
+---------------+-------+
1 row in set (0.00 sec)

mysql> show session status like 'uptime';

+---------------+-------+
| variable_name | value |
+---------------+-------+
| uptime        | 25002 |
+---------------+-------+
1 row in set (0.00 sec)
mysql> show global status like 'uptime';
+---------------+-------+
| variable_name | value |
+---------------+-------+
| uptime        | 25014 |
+---------------+-------+
1 row in set (0.00 sec)

mysql> show global status like 'slow_queries';

+---------------+-------+
| variable_name | value |
+---------------+-------+
| slow_queries  | 0     |
+---------------+-------+
1 row in set (0.00 sec)
mysql> show session status like 'slow_queries';
+---------------+-------+
| variable_name | value |
+---------------+-------+
| slow_queries  | 0     |
+---------------+-------+
1 row in set (0.00 sec)

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