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  • Blog Post: How Many Cores for the Job?

    That is quite a common question. Experienced systems engineers have accumulated knowledge over the years that they distill into a few rules of thumb, e.g.: Given a certain hardware configuration, for software package A with an input size of X, on average you'll need Y cores. On Azure...
  • Blog Post: Generic Resource Scheduler for Azure

    GeReS (Generic Resource Scheduler) for Windows Azure is now available as a beta release on Codeplex . It is a simple batch job manager written in C# (or Python for the older version). Geres provides: Command line utilities (e.g. qsub, qlist, jobcancel, joblist) to queue tasks for computation...
  • Blog Post: Azure Connect - a vpn between Azure and your machines

    Azure Connect is a service that lets you establish a vpn tunnel (for want of a better word) between a virtual machine running in Azure and another running on premises. The connection is point-to-point, meaning that you will need to configure it on every machine involved. Nonetheless, it is a valuable...
  • Blog Post: Azure billing clarification

    A quick clarification: Azure allocates resources to your role as long as it is deployed, whether it is running or not. Billing starts when the deployment is complete and finishes when it is deleted. Roles that are deployed will be billed for the deployed hours, whether they are running or not. In...
  • Blog Post: Put a VM on Azure

    I have summarized here all the steps you need to take in order to deploy an Azure VM. Step 1: Get your certificates I assume that you have an active Azure subscription and you have installed visual studio 2010, the azure sdk and tools and activated the VM role. You will need a management certificate...
  • Blog Post: Endpoints, firewalls and other annoyances

    When you deploy a HPC cluster on Azure, you typically want to run some application in it besides those provided in the azure samples. Those applications may require their own ports to be opened on the internal network and endpoints to be established for both internal and external communication. There...