mysql 接続数の確認

最大接続数設定

mysql> show global variables like 'max_connections';
+-----------------+-------+
| Variable_name | Value |
+-----------------+-------+
| max_connections | 151 |
+-----------------+-------+
1 row in set (0.00 sec)

起動してからの累積接続数

mysql> show global status like 'Connections';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| Connections | 206 |
+---------------+-------+
1 row in set (0.00 sec)

起動してからこれまでの最大同時接続数

mysql> show global status like 'Max_used_connections';
+----------------------+-------+
| Variable_name | Value |
+----------------------+-------+
| Max_used_connections | 4 |
+----------------------+-------+
1 row in set (0.00 sec)

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