MySQL · December 20, 2023

How to Fix MySQL Error 1190 - SQLSTATE: 08S01 (ER_MASTER_NET_WRITE) Net How to Fix MySQL Error writing to master

How to Fix MySQL Error 1190 - SQLSTATE: 08S01 (ER_MASTER_NET_WRITE) Net How to Fix MySQL Error writing to master

MySQL is a popular open-source relational database management system used by many websites and applications. However, like any software, it can encounter errors that can disrupt its normal operation. One such error is MySQL Error 1190 - SQLSTATE: 08S01 (ER_MASTER_NET_WRITE) Net How to Fix MySQL Error writing to master. In this article, we will explore the causes of this error and provide solutions to fix it.

Understanding MySQL Error 1190

MySQL Error 1190 occurs when there is a problem with the network connection between the master and the slave servers in a MySQL replication setup. Replication is a feature in MySQL that allows data to be copied from one server (the master) to one or more other servers (the slaves). This error specifically indicates a problem with writing data to the master server.

Possible Causes of MySQL Error 1190

There can be several reasons why you might encounter MySQL Error 1190:

  • Network Connectivity Issues: The most common cause of this error is network connectivity problems between the master and slave servers. It could be due to firewall settings, network configuration, or network hardware issues.
  • Insufficient Disk Space: If the master server runs out of disk space, it can cause the error. Ensure that there is enough free disk space on the master server.
  • High Server Load: If the master server is under heavy load, it may not be able to handle the replication requests, resulting in the error. Check the server's resource usage and optimize if necessary.
  • Incorrect Configuration: Incorrect configuration settings in the MySQL replication setup can also lead to this error. Double-check the configuration files and ensure they are accurate.

Fixing MySQL Error 1190

Here are some steps you can take to fix MySQL Error 1190:

1. Check Network Connectivity

Ensure that there are no network connectivity issues between the master and slave servers. Check firewall settings, network configuration, and network hardware. Test the connectivity using tools like ping or telnet.

2. Verify Sufficient Disk Space

Check the disk space on the master server and ensure that there is enough free space. Remove unnecessary files or increase the disk space if needed.

3. Monitor Server Load

Monitor the server load on the master server. If it is consistently high, consider optimizing the server's performance by tuning MySQL configuration, optimizing queries, or adding more resources.

4. Review Replication Configuration

Double-check the replication configuration settings in the MySQL configuration files. Ensure that the settings are accurate and match the setup of your master and slave servers.

5. Restart MySQL Service

If all else fails, try restarting the MySQL service on both the master and slave servers. Sometimes, a simple restart can resolve temporary issues causing the error.

Summary

MySQL Error 1190 - SQLSTATE: 08S01 (ER_MASTER_NET_WRITE) Net How to Fix MySQL Error writing to master can be caused by network connectivity issues, insufficient disk space, high server load, or incorrect configuration. To fix the error, check network connectivity, verify sufficient disk space, monitor server load, review replication configuration, and restart the MySQL service if necessary.

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