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.

Why MySQL 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. In this case, you normally get one of the following error codes (which one you get is operating system-dependent). The client couldn’t send a question to the server.

Is PDO deprecated?

PDO (PHP Data Objects) Earlier versions of PHP used the MySQL extension. However, this extension was deprecated in 2012.

Does MySQL support PDO?

Introduction ¶ PDO_MYSQL is a driver that implements the PHP Data Objects (PDO) interface to enable access from PHP to MySQL databases. PDO_MYSQL uses emulated prepares by default.

Where is max_allowed_packet in MySQL?

Open the “my. ini” file under the MySQL server install directory. Search for the “max_allowed_packet” parameter.

Is PDO easier than MySQLi?

Difference to Connect Using MySQLi and PDO The main advantage of PDO over MySQLi is in the database support. PDO supports 12 different database types, in opposition to MySQLi, which supports MySQL only. When you have to switch your project to use another database, PDO makes the process simpler.

Is PDO more secure than MySQLi?

There is no difference in security. The main difference between PDO and Mysqli is that PDO supports various databases and mysqli supports only MySQL. MySQLi is also a bit faster. PDO supports 12 different drivers, opposed to MySQLi, which supports MySQL only.

How can I tell if MySQL PDO is installed?

Checking PDO Installation You can get all the PDO drivers installed in your system by using getAvailableDrivers() function. We will get an array with a list of drivers installed.

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.

How long does it take 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.

Why can’t I get MySQL to respond?

It’s likely that either your connection has been killed (e.g. by wait_timeout or another thread issuing a KILL command), the server has crashed or you’ve violated the mysql protocol in some way. The latter is likely to be a bug in PDO, which is extremely likely if you’re using server-side prepared statements or multi-results (hint: Don’t)