IT Operations News Roundup – March 19th to 25th

The Importance of Caching in Web Performance
Performance guru Steve Sounders covers the importance of caching requests and how well cache is utilized by web site owners and third party providers today. He also provides details on the browser cache settings and provides cache stats from the observations of IE and Chrome teams.

How OMGPOP Scaled its Infrastructure
The creators of Draw Something were able to scale their infrastructure to support 36 million users in 3 weeks by using a NoSQL database and cloud computing.  Engineers were able to deploy and reconfigure databases live with no hiccups.

Microsoft Proposal on HTTP 2.0 – Focus on webpages and applications
Microsoft stirs the browser wars by releasing their proposal on HTTP 2.0 which is based on SPDY, but goes further to support not only webpages on browsers but also applications. In their opinion SPDY was a good start, but not good enough of a solution.

What is Impacting Inter-cloud Communications? The Internet or Business Practices 
A recent survey by Nasuni on the data transfer between the top 3 cloud providers (Amazon S3, Microsoft Azure, Rackspace) shows high latency in communications.  Transfer time ranged from 115 hours (Amazon S3 to Rackspace) to as little as 4 hours (Azure to Amazon S3) for 12 terabytes of data. One wonders what is causing the slowness in getting the data out of Amazon?

LinkedIn’s Databus: A Low Latency Change Data Capture System
Siddharth Anand from LinkedIn covers the need for Change Data Capture Systems and how LinkedIn’s own Databus system works. Databus distributes in near real time the updates from a primary data store (like a relational database) to a number of secondary data stores.

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