Archive for the 'High performance computing' Category
- mod_compress: Lighttpd Gzip Compression To Improve Download and Browsing Speed
Gzip compression reduces response times by reducing the size of the HTTP response. This document describes gzipping http traffic which can reduces the response size by about 70%. Approximately 90% of today’s Internet traffic travels through browsers that claim to support compression.
- Helmer: A Linux Commodity Computing cluster in a IKEA Helmer Cabinet
Linux Commodity computing is computing done on commodity computers as opposed to supermicrocomputers or boutique computers. Commodity computers are computer systems manufactured by multiple vendors, incorporating components based on open standards.
- Tutorial: Linux MPI Parallel Clusters Programming
Describes how to obtain, build, and use an MPI stack for Linux machines. This tutorial will take you from hello world to parallel matrix multiplication in a matter of minutes.
- EKA - The world's 4th Fastest Super Computer
In November 2007 EKA was announced, which is privately funded supercomputer. Eka, built by CRL, Pune is the world’s 4th fastest supercomputer, and the fastest one that didn’t use government funding. This is the same supercomputer referenced in Yahoo!’s recent announcement about cloud computing research at the Hadoop Summit. This article describes some of the [...]
- Download of the day: Wackamolem ~ Making a Cluster Highly Available
Wackamole is an interesting application that helps with making a cluster highly available. It runs a service using multiple DNS RR records without the worry of one of the machines crashing — if the machine crashes, the virtual IP addresses it was responsible for will be managed by the remaining machines in the cluster. [...]
- Philippine Weather Service Finds Forecasting Cheaper with Debian Linux Cluster
Yet another Linux success story; From the article:
The Philippine government’s official weather service, PAGASA, has replaced its SGI supercomputer with a clustered Debian Linux system that can process information vital to protection against typhoons, floods, droughts, tsunamis and other wild weather conditions at a fraction of the cost.
The cluster includes eight PCs running as a [...] - Load Balancer Open Source Software
I’ve worked with a various load balancing systems (LBS). They are complex pieces of hardware and software. In this post I will highlight some of the open source load balancing software. But what is load balancing?
It is nothing but a technique used to share (spared) load / services between two or more servers. For [...] - Linux Xen High Availability Clusters Configuration Tutorial
Xen is one of the leading Virtualization software. You can use Xen virtualization to implement HA clusters. However, there are few issues you must be aware of while handling failures in a high-availability environment. This article explains configuration options using Xen:
The idea of using virtual machines to build high available clusters is not new. Some [...] - Linux Success Story: New York Stock Exchange Moves to Linux
The New York Stock Exchange (NYSE), is the largest stock exchange in the world. NYSE wants to move away from proprietary platforms, so they selected HP hardware with Linux.
NYSE is investing heavily in x86-based Linux systems and blade servers as it builds out the NYSE Hybrid Market trading system that it launched last year. Flexibility [...] - Download of the day: Oracle VM
Virtualization is the process of abstracting computing resources such that multiple operating system and application images can share a single physical server, bringing significant cost-of-ownership and manageability benefits. Through its Oracle VM product, Oracle offers scalable, low-cost server virtualization for heterogeneous applications.
Oracle VM is free server virtualization software that fully supports both Oracle and [...]
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