2006 MySQL Server Has Gone Away

What is MySQL?

MySQL is an Open-Source Relational Database Management System (RDBMS) that uses Structured Query Language (SQL) to manage RDBs. Initially developed by MySQL AB in 1994, it has been adopted by over 5,000 companies, including Uber, Netflix, Pinterest, Amazon, Airbnb, and Twitter.

What are the features of MySQL?

1. Easy to access: MySQL is an open-source software that allows anyone to download, use, and modify it for free, with its source code available for study and customization. It uses the GPL, which outlines its permissible and non-permissible usage.
2. Rapid and Trustworthy: MySQL effectively saves information in memory to ensure consistency and prevent duplication. MySQL enables rapid access to and manipulation of data.
3. Adaptable: Scalability refers to a system's ability to handle large or small groups of machines and data, while MySQL servers were designed for handling large databases.
4. Data Formats: The platform supports various data types such as float, double, character, variable character, text, date, time, timestamp, year, signed and unsigned integers, and more.
5. Character Groups: It is compatible with other character sets, such as German, Ujis, Latin 1 (cp1252 character encoding), other Unicode character sets, and so forth.
6. Be protected: The system offers a secure interface with a customizable password system that verifies host credentials before granting database access, ensuring encryption during connection.
7. Support with big databases: Large databases, with up to 5,000,000,000 rows, 150,000-200,000 tables, and 40-50 million records, are supported by this software.

What is the server?

In a client-server architecture, a server is a computer that is committed to managing network resources to other computers specified as clients.

1. Web Server: This type of server deals with HTTP. HTTP gets requested and responses according to that.
2. File Server: This type of server deals with files. Storing a file to share a document with someone is the only responsibility of this server.
3. Database Server: This type of server deals with database management systems, such as storing data or manipulating data.
4. Mail Server: This type of server deals with SMTP. When sending mail, we often attach images, documents, or any files. These are all the responsibilities of this server.
5. Application Server: This type of server deals with the runtime and environment of a particular application.
6. Print Server: This type of server deals with any printing-related tasks on the Internet.
7. Game Server: This type of server deals with gaming server hosting purposes.
8. Proxy Server: This type of server deals with any client-server environment.
9. DNS Server: This type of server deals with IP address configuration.

Each server is used for its significance.

Advantages of having a server

1. Making it impossible to scale up as needs grow, servers are designed for multiple computers to connect and access resources, unlike standard PCs, which are limited in this capacity,
2. PCs often have built-in redundancy to prevent downtime in case of part failure, and servers with higher-grade components are more reliable than in the long run; by reducing the need for multiple software licences, a server, despite its initial cost, can save money.
3. Simplifying composition and backing for a large group of people in one place, servers manage software and other services for diverse users.
4. By saving files and allowing access to the same advice, servers expedite combinations.
5. With high-end servers contributing multiple CPUs, RAM, and storage, they offer more power.

What is MySQL Server and Historical Background of MySQL

An open-source relational database management system (RDBMS) is MySQL Server. It is employed to shaft big datasets. The MySQL database server is attributed to its Swedish founder, MySQL AB. In 1995, three engineers, Michael Widenius, sometimes known as "Monty," Allan Larsson, and David Axmark, started working on the server. In 1996, the first version of MySQL was made accessible. Later, Sun purchased MySQL AB, which Oracle Corporation subsequently purchased. 2018 saw the establishment of the most recent version, 8.0.

Features of MySQL Server

1. Allowing anyone to customise its code and fix problems, MySQL server is an open-source software with a free version. Businesses choose it because of its secure processing, ease of use, and low preservation obligations. The future of MySQL's open-source status is still unknown, though.
2. Making it ideal for web applications targeting multiple platforms, MySQL is a cross-platform database server that runs on Windows, OS2, Linux, and Solaris. It backups APIs for major programming languages and is part of the LAMP server stack.
3. Used in popular web applications like WordPress, Drupal, Joomla, Facebook, and Twitter, MySQL server offers secure, seamless connections through named pipes, TCP/IP sockets, and UNIX Sockets.
4. For quick application advancement, MySQL, an open-source product, boasts a robust developer community that regularly updates its association server and numerous database templates.
5. With password-protected data access, MySQL server databases are highly secure to break, but Advanced encryption algorithms make it difficult. Benefiting businesses and ensuring continued growth, MySQL's latest version enhances data security.
6. Making it a versatile tool for businesses, MySQL's popularity stems from its ability to scale up or down based on business type and server requirements.

What are the differences between SQL Server and MySQL?

The following table will explain the differences between SQL servers and MySQL.

What does the error "2006 MySQL server has gone away" mean?

The error "2006 MySQL server has gone away" is a very common type of error in MySQL. This error occurs when the connection between MySQL Client and MySQL Server is disrupted. The error occurred for various reasons like issues in connection timeout; sometimes a large query needs a long run time, etc.

The reasons for the error "2006 MySQL server has gone away" are-

• Issues of network connectivity
• Connection timeout
• Large Query and long execution time
• Inadequate server resources
• Configuration issues
• Servers Stability

These are probably the reasons behind the error.

1. Issues of network connectivity: Between MySQL Client and MySQL Server, the main reason for the error is loss of network connectivity or connection disruption. By hardware failures or mismatched network configurations, connection disruption may be affected. Network devices such as routers and firewalls are used to configure the connections.
2. Connection timeout: This error can occur due to the server's timeout. If a connection is idle for some time and remains idle, the server may interpret and declare the connection as inactive and can kick out the connection from the server. The kicked-out connection throws an error "2006 MySQL server has gone away" on the client window.
3. Large Query and long execution time: The user sends a query to the client, and the client serves the Query to the Server. If the Query takes a longer time to execute, the server time may be over. This can lead to stopping connections and freeing up resources.
4. Inadequate server resources: In order to reduce the load on its limited resources, the MySQL server may close connections if memory or processing power becomes scarce. This may occur when there is a lot of server traffic or when resource limits that are not properly configured are exceeded.
5. Configuration issues: This error may arise as a result of incorrect MySQL server configuration parameters. Low values provided for parameters such as wait_timeout or max_allowed_packet, for example, may cause an early termination of the connection. It is essential to modify these settings to meet the unique needs of the application.
6. Servers Stability: When a client connection is active, and the MySQL server crashes or restarts, the active connection can be suddenly closed. In this case, the impacted connection receives the "server has gone away" error, necessitating a reconnect request from the client.

How do you solve this "2006 MySQL server has gone away" error?

Now comes the most interesting part: if you are stuck in an error, how can you solve it?

1. Checking Server Status

Check if the server is running or not. Run the below Query to check the status.

If the output is showing inactivity, then that's the reason for the error.

2. More 'wait_timeout' and 'max_allowed_packet' value

The maximum size of a packet that can be transmitted to the server and the amount of time the server waits before terminating a non-responsive connection are determined by these configuration parameters in MySQL.

The following code will help in editing the MySQL configuration file.

The following code will help in modifying.

The following code will help in restarting.

3. Crashed Table Checking

Run the following command to know connection issues.

4. 5Checking MySQL Error logs

Run the following command to know error logs issues.

5. Checking the resources

Run the following command to know resource issues.

6. Recheck Disk Spacing

Run the following command to know the disk capacity.

7. Checking Network stability

Run the following command to know if there is any network disruption between the client and server.

8. Adjusting file limit

Run the following command to know the file limit and edit the configuration file.

The following code will help in modifying.