• Masashi Narumoto's Blog

    New release! Developing Big Data Solutions on Microsoft Azure HDInsight

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    Microsoft patterns & practices team recently released a new guidance Developing Big Data Solutions on Microsoft Azure HDInsight. It contains three type of content targeting to different audience. Section 1: “ Understanding Microsoft big data solutions...
  • Masashi Narumoto's Blog

    New release! Cloud Design Patterns

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    I’m very excited to announce that we have released a new guidance Cloud Design Patterns . This guide from the Microsoft patterns & practices group, produced with the help of many people within the developer community, provides solutions for common...
  • Masashi Narumoto's Blog

    Search engine that leverages the social graph

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        Search engines like Google or Bing have made it much easier to find the content we’re looking for. On the other hand, because of its algorithm, they are becoming irrelevant for some type of information such as upcoming events. There...
  • Masashi Narumoto's Blog

    Opportunities in Social Space

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       The social experience on the internet is increasingly vital in our life. The internet users rely on SNS in talking to friends, finding news or looking for nice restaurants. They also generate contents such as tweet, wall, video or comments...
  • Masashi Narumoto's Blog

    Challenges in Hybrid Applications

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    While we were working on the hybrid project, we have identified the following 6 challenges that are common across the hybrid scenarios. Visit MSDN article for more information. 1.Deploying app and data to the cloud How can we decide which component should...
  • Masashi Narumoto's Blog

    Building Hybrid Applications in the Cloud

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    patterns & practices team recently released the 3rd guidance in Windows Azure series. The goal of this guide is to map Windows Azure features with the specific challenges encountered in the hybrid application scenario. Windows Azure now offers a number...
  • Masashi Narumoto's Blog

    Windows Azure Instance limits

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    The number of CPU core under your account is limited to 20 by default. If you see a red box like this, it could hit this limit. This limit is applied to # of CPU core, not # of instances. You can calculate the number by adding up CPU cores for each instance...
  • Masashi Narumoto's Blog

    Trick in Windows Azure deployment

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    If you see web roles or worker roles are going back and forth between initializing-busy-stopping, the first thing you should check is the copy local attribute of the assemblies. All assemblies that aren’t part of .NET framework have to be set as Copy...
  • Masashi Narumoto's Blog

    Don’t rush! Worker roles will be there for you.

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    In dev fabric, hit F5, wait for a while then start debugging. No wonder if your worker roles don’t respond in the first place. Sometimes it takes over 30 seconds for them to start off. You should better check the dev fabric UI. When it looks like this...
  • Masashi Narumoto's Blog

    Visual Studio Web Test

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    In the case web test doesn’t record anything, you should make sure the the following IE add-on is enabled. This is a great post that describes all the problems of same sort. http://blogs.msdn.com/mtaute/archive/2007/11/09/diagnosing-and-fixing-web-test...
  • Masashi Narumoto's Blog

    Weird errors when upgrading a package

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    I have come across weird errors in attempt to upgrade a package in Azure. Sometimes it says “Role not found” or “Different number of input endpoints for role” etc. I was trying to find out the point that causes these errors but it turns out the only thing...
  • Masashi Narumoto's Blog

    Cloud application architecture part2

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    In talking about software architecture, everybody is referring to the following diagram. I like this way of description. Actually I often come back to this framework to verify my idea. IEEE 1471 conceptual framework for architecture description  ...
  • Masashi Narumoto's Blog

    Cloud application architecture part1

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    The objective of this post is to highlight some of the key considerations in developing cloud applications running on Windows Azure. I’ll show them in a series of blog posts trying to embrace all the key aspects of cloud apps in a comprehensive manner...
  • Masashi Narumoto's Blog

    Contextual Service Example

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    To explore further the way context-aware services can be implemented and integrated into large communities, let’s travel a short distance into the future, to a time when the ideas in this article have borne fruit in the real world, and consider...
  • Masashi Narumoto's Blog

    Contextual Service

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    User context is the mechanism by which service providers connect consumption with delivery in a user-centric way. Journalists adhere to a maxim commonly called five Ws and an H . According to this principle, a complete and proper news story must answer...
  • Masashi Narumoto's Blog

    Architecture for Consumer Oriented Services Cont'd

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    At the previous post, I wrote a picture below to illustrate the architecture for consumer oriented services. Now let me explain each architectural elements as follows.   Propagation Architecture The propagation architecture concerns the mechanisms...
  • Masashi Narumoto's Blog

    Architecture for Consumer Oriented Services

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    From a service provider’s perspective, there are a few principles to keep in mind when envisioning and building architecture: 1.     You go to them . Building consumer oriented services involves standing the traditional view of the...
  • Masashi Narumoto's Blog

    Social network as a platform

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    Though it’s certainly possible to build a consumer oriented service from scratch, relying on existing platforms to deliver your content or service can reduce development time and give you a valuable boost during startup. What’s more, integrating...
  • Masashi Narumoto's Blog

    Consumer Web today

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    I'm a solution architect in the Platform Architecture team at Microsoft. Last couple of years I’ve been working with service providers like e-commerce, digital entertainment. Let me name it “consumer oriented service”. Through my investigation...
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