26 September 2006 01:00
Pure Load Balancer - A free high performance software load balancer for Unix
by springnet
Pure Load Balancer runs in userland, but relies on an asynchronous non forking/non threaded/non blocking architecture. Thanks to Niels Provos' excellent event library, it can also efficiently use the kernel notification mechanisms to never waste CPU time
25 September 2006 22:00
Alex Davies: Linux HOWTOs
by springnet & 4 others
You MUST have a third server as a managment node but this can be shut down after the cluster starts. Also note that I do not recommend shutting down the managment server (see the extra notes at the bottom of this document for more information). You can no
High-availability middleware on Linux, Part 1: Heartbeat and Apache Web server
by springnet
In this first of five articles, learn what it means for software to be highly available and how to install and set up heartbeat software from the High-Availability Linux project on a two-node system. You'll also learn how to configure the Apache Web serve
ONLamp.com -- Advanced MySQL Replication Techniques
by springnet
You may know about the MySQL Cluster, which is a complex architecture to achieve high availability and performance. One of the advantages of MySQL Cluster is that each node is a peer to the others, whereas in a normal replicating system you have a master
The Linux Virtual Server Project - Linux Server Cluster for Load Balancing
by springnet & 4 others
The Linux Virtual Server is a highly scalable and highly available server built on a cluster of real servers, with the load balancer running on the Linux operating system. The architecture of the server cluster is fully transparent to end users, and the u
SteelEye : Products > Data Replication
by springnet
Fast Replication With Low Network Demand LifeKeeper Data Replication replicates data at the block level, below the file system. Most importantly, LifeKeeper Data Replication only replicates changes in data and thereby minimizes the demand on systems and n
Linux.com | How to configure a low-cost load-balanced LAMP cluster
by springnet & 3 others
A LAMP cluster is not the Beowulf kind of cluster that uses specialized message-passing software to tackle a computation-intensive task. It does not cover high availability features, such as automatic failover. Rather, it is a load-sharing cluster that di
Web Server Failover with Round-Robin DNS
by springnet
One way to overcome the limits of the monolithic server is to distribute the load across many machines. By adding a second (or third) server to the available pool of machines, you can not only increase performance but also add to the stability of the netw
http://www.workboy.com/charles/mysql-heartbeat/InstallMasterMySQL.html
by springnet
Edit /etc/syslog.conf to include a local1 (for example) facility entry for MasterMySQL to write to. Also update the top line so that local1 doesn't write to /var/log/messages: *.info;local1.none;mail.none;authpriv.none;cron.none /var/log/messa
MySQL 5.0 Reference Manual :: 6.10 Replication FAQ
by springnet
Replication FAQ. Q: How do I configure a slave if the master is running and I do not want to stop it? A: There are several possibilities. If you have taken a snapshot backup of the master at some point and recorded the binary log filename and offset (fr
25 September 2006 18:00
Ultra Monkey:
by springnet & 2 others
Ultra Monkey is a project to create load balanced and highly available network services. For example a cluster of web servers that appear as a single web server to end-users. The service may be for end-users across the world connected via the internet, or
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