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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