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MySQL 8.0 memcached plugin is active but service port is not open
Posted by: Archimedes Gaviola
Date: October 02, 2021 04:45AM

Hi,

I'm running MySQL 8.0 and then install daemon_memcached plugin. As per checking in "show plugins" command it is in active status. Checking default service port of 11211 with netstat -na command is not open and present thus connection refused is observed when telnet. Any idea what have I missed?

[root@localhost mysql]# systemctl status mysqld
● mysqld.service - MySQL 8.0 database server
Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
Active: active (running) since Sat 2021-10-02 10:24:44 UTC; 5min ago
Process: 6784 ExecStartPost=/usr/libexec/mysql-check-upgrade (code=exited, status=0/SUCCESS)
Process: 6693 ExecStartPre=/usr/libexec/mysql-prepare-db-dir mysqld.service (code=exited, status=0/SUCCESS)
Process: 6668 ExecStartPre=/usr/libexec/mysql-check-socket (code=exited, status=0/SUCCESS)
Main PID: 6730 (mysqld)
Status: "Server is operational"
Tasks: 38 (limit: 11440)
CGroup: /system.slice/mysqld.service
└─6730 /usr/libexec/mysqld --basedir=/usr

Oct 02 10:24:42 localhost systemd[1]: Starting MySQL 8.0 database server...
Oct 02 10:24:44 localhost systemd[1]: Started MySQL 8.0 database server.

| daemon_memcached | ACTIVE | DAEMON | libmemcached.so | GPL |

[root@localhost]# netstat -na |less
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN
tcp 0 0 192.168.254.111:22 192.168.254.109:62738 ESTABLISHED
tcp 0 144 192.168.254.111:22 192.168.254.109:56252 ESTABLISHED
tcp6 0 0 :::33060 :::* LISTEN
tcp6 0 0 :::3306 :::* LISTEN

Thanks,
Archimedes

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MySQL 8.0 memcached plugin is active but service port is not open
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