Description
mysql> select * from mysql_servers;
ERROR 2006 (HY000): MySQL server has gone away
No connection. Trying to reconnect...
Connection id: 2
Current database: *** NONE ***
+--------------+--------------+------+-----------+--------+--------+-------------+-----------------+---------------------+---------+----------------+---------+
| hostgroup_id | hostname | port | gtid_port | status | weight | compression | max_connections | max_replication_lag | use_ssl | max_latency_ms | comment |
+--------------+--------------+------+-----------+--------+--------+-------------+-----------------+---------------------+---------+----------------+---------+
| 10 | 10.110.83.55 | 4336 | 4337 | ONLINE | 100 | 0 | 1000 | 60 | 0 | 0 | |
| 20 | 10.110.83.55 | 4336 | 4337 | ONLINE | 100 | 0 | 1000 | 60 | 0 | 0 | |
| 20 | 10.110.83.56 | 4336 | 4337 | ONLINE | 1000 | 0 | 1000 | 60 | 0 | 0 | |
+--------------+--------------+------+-----------+--------+--------+-------------+-----------------+---------------------+---------+----------------+---------+
3 rows in set (0.00 sec)
mysql> update mysql_servers set gtid_port=0;
Query OK, 3 rows affected (0.00 sec)
mysql> load mysql servers to runtime;
Query OK, 0 rows affected (0.01 sec)
mysql> select * from runtime_mysql_servers;
ERROR 2013 (HY000): Lost connection to MySQL server during query
mysql> select * from runtime_mysql_servers;
ERROR 2006 (HY000): MySQL server has gone away
No connection. Trying to reconnect...
Connection id: 2
Current database: *** NONE ***
+--------------+--------------+------+-----------+--------+--------+-------------+-----------------+---------------------+---------+----------------+---------+
| hostgroup_id | hostname | port | gtid_port | status | weight | compression | max_connections | max_replication_lag | use_ssl | max_latency_ms | comment |
+--------------+--------------+------+-----------+--------+--------+-------------+-----------------+---------------------+---------+----------------+---------+
| 10 | 10.110.83.55 | 4336 | 4337 | ONLINE | 100 | 0 | 1000 | 60 | 0 | 0 | |
| 20 | 10.110.83.56 | 4336 | 4337 | ONLINE | 1000 | 0 | 1000 | 60 | 0 | 0 | |
| 20 | 10.110.83.55 | 4336 | 4337 | ONLINE | 100 | 0 | 1000 | 60 | 0 | 0 | |
+--------------+--------------+------+-----------+--------+--------+-------------+-----------------+---------------------+---------+----------------+---------+
3 rows in set (0.01 sec)