MySQL 1874

This error occurs when attempting to write to an InnoDB database that is in read-only mode. It indicates that the database cannot be modified and any write operations will fail.

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How It Affects Your App

MySQL 1874 ER_INNODB_READ_ONLY error indicates that the InnoDB storage engine is in read-only mode. This means that any data manipulation queries such as INSERT, UPDATE, and DELETE will not be executed. This can have a significant impact on an application as it will not be able to store or modify data in the database. Additionally, any queries that rely on data manipulation will not be able to execute correctly. This can lead to unexpected errors and unexpected behavior in the application.

How To Fix

1. SHOW VARIABLES LIKE '%max_allowed_packet%';This command will show the current value of the max_allowed_packet variable.2. SET GLOBAL max_allowed_packet=1073741824;This command will set the max_allowed_packet variable to a value of 1GB.3. SHOW VARIABLES LIKE '%max_allowed_packet%';This command will show the new value of the max_allowed_packet variable.4. Restart the MySQL server.5. Use an automated database observability tool to monitor and fix the MySQL 1874 in question. Automated database observability tools can help identify and diagnose issues quickly, as well as provide real-time insights into the performance of the database. This can help to ensure that any issues are addressed quickly and efficiently.

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