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This article introduces the relevant knowledge of "MySQL could not be resolved: the solution to Temporary failure in name resolution error reporting". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

In recent days, R & D has always complained that it is slow to connect to MySQL database and open data tables with Navicat. Log in to the database for analysis and check the error log:

Mysql > show variables like 'log_error'

+-- +

| | Variable_name | Value |

+-- +

| | log_error | / usr/local/mysql/data/idb3.err |

+-- +

1 row in set (0.00 sec)

View the error log:

[root@idb3 data] # cat / usr/local/mysql/data/idb3.err | grep failure | more

2016-05-24 16:06:44 11382 [Warning] IP address' 172.31.19.113' could not be resolved: Temporary failure in name resolution

2016-05-24 16:06:47 11382 [Warning] IP address' 172.31.19.113' could not be resolved: Temporary failure in name resolution

2016-05-24 16:09:00 11382 [Warning] IP address' 172.31.19.113' could not be resolved: Temporary failure in name resolution

2016-05-24 16:09:03 11382 [Warning] IP address' 172.31.19.113' could not be resolved: Temporary failure in name resolution

2016-05-24 16:09:14 11382 [Warning] IP address' 172.31.19.113' could not be resolved: Temporary failure in name resolution

.

Solution:

In the configuration file my.cnf of mysql

[mysqld]

Node add the following two lines

Skip-host-cache

Skip-name-resolve

The parameters are explained as follows:

Skip-host-cache: disable hostname caching

Skip-name-resolve: disable hostname resolution

Then restart the MySQL database to solve the problem:

# service mysqld restart

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