Nick Ramirez Nick Ramirez | May 10, 2019 | BASICS, TECH
The HAProxy Stats page provides a near real-time feed of data about the state of your proxied services. In a previous blog post, Introduction to HAProxy Logging, you saw how to harness the power of HAProxy to improve observability into the state of your load...
Christopher Faulet Christopher Faulet | Apr 5, 2019 | BASICS, LOAD BALANCING / ROUTING
The HAProxy Stream Processing Offload Engine filter enables you to extend HAProxy in any language without modifying its core codebase. Inspired by the possibilities? Read on to learn more. Imagine you’re living in the distant future and you’re stomping...
Moemen Mhedhbi Moemen Mhedhbi | Feb 8, 2019 | BASICS, TECH
When it comes to operationalizing your log data, HAProxy provides a wealth of information. In this blog post, we demonstrate how to set up HAProxy logging, target a Syslog server, understand the log fields, and suggest some helpful tools for parsing log files. [On...
Chad Lavoie Chad Lavoie | Oct 24, 2018 | BASICS, TECH
An HAProxy configuration file guides the behavior of your HAProxy load balancer. In this post, we demonstrate its four most essential sections. There are four essential sections to an HAProxy configuration file. They are global, defaults, frontend, and backend. These...
Chad Lavoie Chad Lavoie | Oct 17, 2018 | BASICS, TECH
An HAProxy map file stores key-value pairs and is the starting point for some inventive behavior including dynamic rate limiting and blue-green deployments. Dictionaries. Maps. Hashes. Associative arrays. Can you imagine life without these wonderful key-value data...
Chad Lavoie Chad Lavoie | Sep 21, 2018 | BASICS, TECH
HTTP requests are stateless by design. However, this raises some questions regarding how to track user activities, including malicious ones, across requests so that you can collect metrics, block users, and make other decisions based on state. The only way to track...
