How do I fix error code 2006 MySQL server has gone away?

How do I fix error code 2006 MySQL server has gone away?

The MySQL server has gone away (error 2006) has two main causes and solutions: Server timed out and closed the connection. To fix, check that wait_timeout mysql variable in your my. cnf configuration file is large enough, eg wait_timeout = 28800.

How do I restart MySQL on Ubuntu?

6 Answers

1. SSH into the machine. Using the proper credentials and ip address, ssh [email protected] . This should provide you with shell access to the Ubuntu server.
2. Restart the mySQL service. sudo service mysql restart should do the job.

How do you stop a MySQL database?

Stop MySQL Server

1. mysqladmin -u root -p shutdown Enter password: ********
2. /etc/init.d/mysqld stop.
3. service mysqld stop.
4. service mysql stop.

How do I restart MySQL in terminal?

Restart the MySQL Server

1. Open a terminal session on the STA server, and log in as the Oracle user.
2. Start the MySQL service: $ STA start mysql.
3. Verify the server is running: $ STA status mysql. You should see: mysql is running.

How do I restart MySQL in Unix?

How to start, stop, and restart MySQL database server?

1. On Mac. You can start/stop/restart MySQL Server via the command line. For the version of MySQL older than 5.7:
2. On Linux. On Linux start/stop from the command line: /etc/init.d/mysqld start /etc/init.d/mysqld stop /etc/init.d/mysqld restart.
3. On Windows.

What is MySQL slow log?

The slow query log consists of SQL statements that take more than long_query_time seconds to execute and require at least min_examined_row_limit rows to be examined. The slow query log can be used to find queries that take a long time to execute and are therefore candidates for optimization.

How to solve error 2006 MySQL server has gone away?

I solved the error ERROR 2006 (HY000) at line 97: MySQL server has gone away and successfully migrated a >5GB sql file by performing these two steps in order: Created /etc/my.cnf as others have recommended, with the following contents:

Why is MySQL server not selecting a database?

Your INSERT is running long, and client is disconnecting. When it reconnects it’s not selecting a database, hence the error. One option here is to run your batch file from the command line, and select the database in the arguments, like so; Another is to run your command via php or some other language.

How long does it take for MySQL to close a connection?

By default, MySQL will close connections after eight hours (28800 seconds) if nothing happens. However, in some cases, your web host, DBA, or app developer may have decreased this timeout setting, discussed below. MySQL server has gone away, can be a frustrating error to solve.

What’s the default wait timeout in MySQL?

The default for MySQL wait_timeout is 28800 seconds. Often, it gets lowered arbitrarily. That said, the lower you can set wait_timeout without affecting database connections, can be a good sign of MySQL database efficiency. Also, check the variables: net_read_timeout , net_write_timeout and interactive_timeout.