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Fix sort_buffer_size for Cacti: Best Solution
In this guide, we intend to show you how to Fix the sort_buffer_size for Cacti. Cacti is a tool that helps create graphs using RRDTool. It saves all the needed information in a MySQL database to make and update graphs. The tool uses PHP for its front end.
Cacti can store and manage graphs, data sources, and archives in the database. It also collects data automatically. If you want to create traffic graphs, Cacti supports SNMP, which is useful for people familiar with MRTG.
The sort buffer, which is controlled by the sort_buffer_size setting, is probably one of the most-discussed MySQL settings. The sort buffer is the amount of memory that is allocated for every process that requires local sorting.
If you face the sort_buffer_size error, you can follow the guide steps below on the Orcacore website to fix the issue.
Table of Contents
How To Fix sort_buffer_size for Cacti?
When we started to install Cacti on the Ubuntu server, we faced an issue that is shown in the below image:
The reason that you get this sort_buffer_size for cacti error, is the MySQL configuration for Cacti, if you visit the installation guide we mentioned above, you will see the full configuration.
You should set the buffer_size, on the recommendation that you give. For example, if the recommendation is negative, you must decrease it until it fits within the allowable memory.
In my case, we set the join_buffer_size to 6M, and the sort_buffer_size to 4M. And it fits with the configuration.
Conclusion
Cacti is very flexible because it uses templates, making it easier to manage. Once you understand how RRDTool works, using Cacti becomes simple. It has a clear structure that helps you organize and find new devices quickly. However, rediscovering lost devices is not easy. If you need to add many devices, automation is required. Tools like Netdot, Netdisco, IPPlan, and TIPP can help, along with local scripts that update the Cacti MySQL database directly.
At this point, you have seen that you can Fix sort_buffer_size For Cacti by setting its value to fit within the allowable memory.
Hope you enjoy it. Also, you may like these articles:
Install Nagios Monitoring Tool on Ubuntu 22.04
Install and Configure Cacti on AlmaLinux 8
How To Install and Configure Cacti on Centos 7
Install Cacti Network Monitoring Tool on Debian 11
