PUBLIC MARKS with tag cluster

cluster, linux, hpc cluster

pgpool is a connection pool server for PostgreSQL. pgpool runs between PostgreSQL's clients(front ends) and servers(back ends). A PostgreSQL client can connect to pgpool as if it were a standard PostgreSQL server. pgpool caches the connection to PostgreSQL server to reduce the overhead to establish the connection to it. Also, pgpool can use two PostgreSQL servers for fail over. If the first server goes down, pgpool will automatically switch to the secondary server.

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

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

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

DRBD is a block device which is designed to build high availability clusters. This is done by mirroring a whole block device via (a dedicated) network. You could see it as a network raid-1

The Linux-HA project is a widely used and important component in many interesting High-Availability solutions. We estimate that we currently have around thirty thousand installations up in mission-critical uses in the real world since it became suitable f

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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The advantage of using Rocks to build and maintain your cluster is simple. Building clusters is straightforward, but managing its software can be complex. This complexity becomes most unmanagable during cluster installation and expansion. Rocks provides m

Warewulf is a Linux cluster solution that is scalable, flexible and easy to use. Managing and distributing Linux systems to any number of nodes becomes a simple master / slave relationship. Warewulf is the first of its kind which elegantly solves many of

Mise en cluster de serveurs Mysql

Architecture d'un cluster J2EE

Architecture d'un cluster J2EE

This tutorial shows how to configure a MySQL 5 cluster with three nodes: two storage nodes and one management node. This cluster is load-balanced by a high-availability load balancer that in fact has two nodes that use the Ultra Monkey package which provi

The Hoard memory allocator is a fast, scalable, and memory-efficient memory allocator for shared-memory multiprocessors. It runs on a variety of platforms, including Linux, Solaris, and Windows. Hoard is a drop-in replacement for malloc(), etc.

Mongrel_cluster is a GemPlugin that wrappers the mongrel HTTP server and simplifies the deployment of webapps using a cluster of mongrel servers.