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System Management in Cloud Computing

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"This excerpt is from the book, "Systems Performance: Enterprise and the Cloud", authored by Brendan Gregg, published by Prentice Hall Professional, Oct. 2013, ISBN 9780133390094, Copyright © 2014 Pearson Education, Inc. For more info, please visit the publisher site: CPUs drive all software and are often the first target for systems performance analysis. Modern systems typically have many CPUs, which are shared among all running software by the kernel scheduler. When there is more demand for CPU resources than there are resources available, process threads (or tasks) will queue, waiting their turn. Waiting can add significant latency during the runtime of applications, degrading performance. The usage of the CPUs can be examined in detail to look for performance improvements, including eliminating unnecessary work. At a high level, CPU usage by process, thread, or ... (more)

Cloud Platforms: The Crucial Foundation | @CloudExpo #IoT #Microservices

Cloud Platforms: The Crucial Foundation to Safeguard the Pharmaceutical Supply Chain In today's pharmaceutical supply chain, counterfeit activity is thriving. As pharma companies have expanded target markets and outsourced production over the last decade, the supply chain has become increasingly global, virtual, and vulnerable. Illicit activity has thrived, and patients have suffered, with hundreds of thousands dying each year from counterfeit and contaminated drugs. More than 40 countries have responded with new laws that regulate prescription medications as they travel throug... (more)

The Business Value of Cloud Computing

Cloud computing is the hottest topic in IT. Gartner ranks cloud in the #1 spot of its list of top 10 strategic technology topics. It is the overriding theme at most industry conferences this year. Projections of cloud revenue growth rates in the high double digits further underscore the relevance of the topic. Yet today’s discussions of cloud computing only hint at its full potential. Like the early days of e-business and the introduction of SOA, cloud is in its infancy, with its promise still to be fully realized. Advocates of cloud are limiting their focus to tactical cost ben... (more)

A Quick Reference of the CTP2 Release of System Center 2012 SP1

CTP2 offers customers an opportunity to evaluate both System Center 2012 and Windows Server 2012, both are the enabling technologies for constructing private cloud with hybrid scenarios. There are important updates and enhancements to System Center 2012 components and this post is a quick reference as listed below. Notice that pertinent information of all components is in the technical documentation of the CTP2 release of System Center 2012 SP1. There is also much information in TechNet library. App Controller Description This is an add-on of SCVMM 2012 and a web-based interfac... (more)

Cloud Computing and Precision Time Protocol (PTP)

If cloud computing is going to spread to more mission-critical type applications, it needs to get more accurate when it comes to transaction-based applications. Trying to keep everything in a structured framework is going to require a more rigorous network infrastructure that includes timing down to milliseconds, if not nanoseconds. One way to accomplish this is to use the IEEE 1588 protocol or "Precision Time Protocol" (PTP), which provides timing. In an earlier article entitled, "Cloud Transaction Synchronicity," I discussed the need for this type of capability if financial or... (more)

Business Transformation and Systems Integrators

Over the past few months, I have interacted with several organizations that are evaluating changes to their business model to adapt to the cloud-enabled IT ecosystem. Management is in a quandary over maintaining their profitable lines of business while growing revenue in new and emerging areas. The problem they face is that some emerging business lines are only possible with completely revamped business models requiring significant change. Some very large organizations, like Dell, are taking the significant step of going private to enhance the transformation process outside the pu... (more)