Azure Database for MySQL
An Azure managed MySQL database service for app development and deployment.
757 questions
Azure Database for MySQL (Flexible server): "temporary failure in name resolution"
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Gianluca Gippetto
41
Reputation points
We connect to an instance of Azure MySQL (with HA enabled) from an AKS cluster. No custom DNS. Recently we've been frequently getting the following.
(pymysql.err.OperationalError) (2003, "Can't connect to MySQL server on 'our-db-name.mysql.database.azure.com' ([Errno -3] Temporary failure in name resolution)")
Any idea?
Azure Database for MySQL
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236 questions
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GeethaThatipatri-MSFT 29,007 Reputation points Microsoft Employee2024-06-03T20:01:17.56+00:00 @Gianluca Gippetto Thanks for posting your question in Microsoft Q&A forum.
Based on the error message, this could be due to network issues or DNS misconfigurations. Can you provide more information, so earlier it was connecting fine and recently you are seeing the failure.?
Regards
Geetha
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Gianluca Gippetto 41 Reputation points
2024-06-05T18:18:05.75+00:00 Yes, correct. We had other connection issues in the past during MySQL downtime (e.g. maintenance), but this error is new. We haven't touched any DNS configuration.
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GeethaThatipatri-MSFT 29,007 Reputation points Microsoft Employee
2024-06-19T17:01:44.92+00:00 @Gianluca Gippetto Sorry for the delay in responding, are you still seeing the issue or is this intermiddent ?
Regards
Geetha
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Gianluca Gippetto 41 Reputation points
2024-06-20T09:14:15.31+00:00 It happens from time to time. 7 times in the last 7 days, but 0 in the last 2 days.
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GeethaThatipatri-MSFT 29,007 Reputation points Microsoft Employee
2024-06-25T23:48:06.3433333+00:00 @Gianluca Gippetto Understood, thanks for your response and if you are seeing again, please let me know so we can further investigate.
Regards
Geetha
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