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Category Archives: performance
HAProxy and Varnish comparison
In opensource world, there are some very smart products which are very often used to build a high performance, reliable and scalable architecture. HAProxy and Varnish are both in this category. Since we can’t really compare a reverse-proxy cache and … Continue reading
Posted in HAProxy, performance
Tagged caching, infrastructure, ipv6, layer7, performance, reverse-proxy, varnish, webperf
7 Comments
Hypervisors virtual network performance comparison from a Virtualized load-balancer point of view
Introduction At HAProxy Technologies, we edit and sell a Load-Balancer appliance called ALOHA (stands for Application Layer Optimisation and High-Availability). A few month ago, we managed to make it run on the most common hypervisors available: VMWare (ESX, vsphere) Citrix … Continue reading
Posted in benchmark, performance
Tagged infrastructure, layer7, performance, virtualization
15 Comments
How to play with maxconn to avoid server slowness or crash
Using Aloha load balancer and HAProxy, it is easy to protect any application or web server against unexpected high load. Introduction The response time of web servers is directly related to the number of requests they have to manage at … Continue reading
Smart content switching for news website
Purpose Build a scalable architecture for news website using below components: load balancer with content switching capability cache server application server Definition Content switching: the ability to route traffic based on the content of the HTTP request: URI, parameters, headers, … Continue reading
Posted in Aloha, layer7, optimization, performance
Tagged cache, content switching, haproxy, infrastructure, url hash, webperf
4 Comments