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George Washington Racks Up 220 Years of Late Fees At Library
Read more of this story at Slashdot.
Why Aren't SSD Prices Going Down?
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Cows On Treadmills Produce Clean Power For Farms
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This Is Apple's Next iPhone
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In Defense of Jailbreaking
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Life Recorder
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Wisconsin Designates State Microbe
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The cost of High Availability (HA) with Oracle
What's the cost of downtime to your business? $100,000 per hour, $1,000,000 or more? The recent Volcanic ash that has grounded European flights is estimated to be costing the airlines $200M a day. In the IT world, High Availability (HA) architectures allow for disaster recovery as well as uninterrupted business continuity during system failure.
This post focuses on a customer’s backend, comprised of a business application stack supported by a dozen Oracle databases. They wish to equip this infrastructure with HA features and ensure that outages do not cost business. How do we address the challenge of pricing the complete solution, with hardware, software, services and annual support?
Read more on BigDataMatters.com
New Documentary Film "Patent Absurdity: how software patents broke the system"
Strategy: Order Two Mediums Instead of Two Smalls and the EC2 Buffet
Vaibhav Puranik in Web serving in the cloud – our experiences with nginx and instance sizes describes their experience trying to maximum traffic and minimum their web serving costs on EC2. Initially they tested with two m1.small instance types and then they the switched to two c1.mediums instance types. The m1s are the standard instance types and the c1s are the high CPU instance types. Obviously the mediums have greater capability, but the cost difference was interesting:
Time for nonprofits to leave proprietary fundraising software systems behind
Hot Scalability Links for April 16, 2010
- Twitter gets a total of 3 billion requests a day via its API; 105,779,710 registered users; 300,000 new registered users a day; 180 million unique visitors a month; 55 million tweets a day.
- Who has the most servers? Google 1 million+; Intel 100K; 1&1 Internet 70K; Facebook 30K; Akamai 61K; Rackspace 56k+.
- Cloud Computing Economies of Scale. James Hamilton gives a fabulous talk breaking down where the costs are in the cloud. It's not where you may think. Higher utilization is the key. More here.
- Erlang Factory: Andy Gross: Distributed Erlang Systems In Operation: Patterns and Pitfalls by Martin J. Logan. Great overview of architecting distributed systems in Erlang. Covers what you want and don't want in a distributed system and how to compromise those elements, what's common, system design, cluster membership, load balancing, upgrades, debugging, and more.
- Extreme Scale Computing by Irving Wladawsky-Berger. “An exascale supercomputer capable of a million trillion calculations per second – dramatically increasing our ability to understand the world around us through simulation and slashing the time needed to design complex products such as therapeutics, advanced materials, and highly-efficient autos and aircraft.”

