How do you fix MySQL server has gone away?
To fix, you can increase the maximal packet size limit max_allowed_packet in my. cnf file, eg. set max_allowed_packet = 128M , then restart your MySQL server: sudo /etc/init. d/mysql restart.
Could not connect to database MySQL server has gone away?
The most common reason for the MySQL server has gone away error is that the server timed out and closed the connection. By default, the server closes the connection after eight hours if nothing has happened. You can change the time limit by setting the wait_timeout variable when you start mysqld.
What does it mean MySQL server has gone away?
The MySQL server has gone away error, means that MySQL server (mysqld) timed out and closed the connection. By default, MySQL will close connections after eight hours (28800 seconds) if nothing happens.
Can you restore MySQL database?
Use the mysql command to restore a database from the command line. In MySQL, you can use the mysql command to restore the database from a dump file. sql file with a set of SQL statements. The utility helps you dump MySQL tables, multiple databases, or their objects.
How do I keep MySQL server running?
Windows – Start and Stop Server
- Open ‘Run’ Window by using Win key + R.
- Type ‘services.msc’
- Now search for MySQL service based on the version that is installed.
- Click on ‘stop’, ‘start’ or ‘restart’ the service option.
How do I change the connection timeout in MySQL?
Change the MySQL timeout on a server
- Log in to your server by using Secure Shell® (SSH).
- Use the sudo command to edit my.
- Locate the timeout configuration and make the adjustments that fit your server.
- Save the changes and exit the editor.
What is Foreign_key_checks?
FOREIGN_KEY_CHECKS option specifies whether or not to check foreign key constraints for InnoDB tables.
How do I restore a MySQL database?
Restore a MySQL Database from backed up Program Files
- Stop MySQL Service. This is required in order to add to the data folders.
- Copy database folder into new MySQL\data\ folder.
- Restart MySQL Service.
- Check & Repair all database tables.
- Backup & Restore to new production server.
How do I run a MySQL database?
Install the MySQL database server only and select Server Machine as the configuration type. Select the option to run MySQL as a service. Launch the MySQL Command-Line Client. To launch the client, enter the following command in a Command Prompt window: mysql -u root -p .
What is connection timeout in SQL server?
Connection Timeout specifies the time limit (in seconds), within which the connection to the specified server must be made, otherwise an exception is thrown i.e. It specifies how long you will allow your program to be held up while it establishes a database connection.
What is the MySQL server has gone away error?
With this in mind, here are error log examples of the MySQL server has gone away error: Error Code: 2013. Lost connection to MySQL server during query The reason for MySQL server has gone away error is often because MySQL’s wait_timeout was exceeded.
What to do when your MySQL server goes away?
Despite how intimidating it sounds, however, the”MySQL server has gone away” error is pretty easy to fix. In fact, with the right instructions, your website should be back up and running in a matter of minutes.
Why does my website say MySQL database is down?
Depending on which browser you use and your server’s configuration, however, the specific wording might change a bit. As for the error itself, it has to do with your MySQL database, as you might imagine from the name. To be more specific, one of three things usually causes this error on most websites:
How to restore mysqldump with many blob contents in 160MB?
I am trying to restore mysqldump of size 160MB which has many BLOB contents . Show activity on this post. Try changing the max_allowed_packet setting to a larger value in the server. Open “my.ini/cnf”, located in your MySQL installation folder, and under [mysqld] section change ” max_allowed_packet = 64M ” and don’t forget to restart the server.