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Front Page News
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Join our crack team of expert developers to build great web platform tech! We are looking for a passionate software developer in the Philadelphia area office....
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We are coming to Philly Tech Meetup tonight to present Sentinel, which is one week away from the start of our first public beta! Its been a crazy few weeks getting everything ready for primetime, and we've accomplished a tremendous amount - getting...
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Monitor, explore, and instantly diagnose ASP.NET applications in production. The Sentinel beta will for the first time make available our instant diagnosis features, which help identify the root cause of top applications problems - like server resource...
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In the LeanServer Lab, we are making available all of the tools and frameworks that we have built for our clients, with many more scheduled to come this year. Are you running an enterprise application on the Microsoft platform? We’d love to partner with...
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Are you a front-end / JavaScript master? Are you in the Philadelphia area? Do you want to design and build awesome web interfaces that bring our products to life? For more info, check out our stack overflow post . We are looking for someone who can start...
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LeanServer has been up to a lot this past year (also making it harder to blog). We've built some exciting scalability tech for clients, released our first product, and have several more exciting things in the pipeline. Now, we need to take things...
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Improving large file uploads on the web with Reliable Transfer Client. While we initially built ScaleUP to improve upload scalability for high-traffic environments like MySpace, it soon became fairly obvious that uploads pose many other challenges - and...
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When starting and stopping IIS 7 application pools from command line with appcmd.exe, you should be aware of a behavior that can sometimes lead to unintended circumstances. To explain it, lets first review what happens when you stop an application pool...
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Uploads have always historically been a major pain point for web applications, due to poor performance, spotty reliability, and framework-specific limitations. Today, LeanServer is releasing a breakthrough web upload solution for the Microsoft IIS platform...
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A brief history of HTTP upload support in the Microsoft web platform, and the challenges behind enabling reliable and scalable uploads for ASP.NET, ASP, and PHP applications....
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In the last 6 months, LeanServer has deployed several high performance web technologies with some of the biggest names in the web. It’s been a very intense ride, but totally worth it when seeing the impact we can have in a large-scale web environment...
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Things have been pretty hectic. Although I haven't blogged about this much, I've been working on LeanServer , a new company I started last year. LeanServer is a technical expert in scalability and performance for very large web sites, with multiple...
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Performance counters are a wonderful tool when it comes to quickly assessing system health and performance of Windows subsystems. In addition to learning much about the operation of Microsoft products, exposing performance counters from your own code...
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I dont usually post activist stuff on the blog, but I have to make an exception in this case. A year ago, I caught a late night showing of Jeff Barrie's Killowatt Ours, a 1 hour long film about the true impact of energy production on our environment,...
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When using the IIS 7.0 Integrated pipeline, you gain access to a ton of cool scenarios where IIS and ASP.NET features work together to provide value for your application – regardless of the application content. Most of these features involve using...
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If you are developing code that uses distributed synchronization or messaging, you sometimes might need to use files as a locking mechanism. This can be useful because files are persistent (beyond thread, process, or even power session lifetime), and...
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For many data centers, the cost of powering servers has become a top budget item. The first step to reducing power costs lies in understanding the power characteristics of your server equipment and workloads. We started with a simple power meter and a...
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One of the best things to happen to IIS 7.0 recently is the release of Url Rewriter , the IIS 7.0 url rewriting equivalent to Apache's mod_rewrite. To ease the process of migrating Apache apps (notably PHP applications that rely on mod_rewrite rules...
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One of the useful benefits of IIS 7.0 and the ASP.NET Integrated mode is the ability to protect all content using ASP.NET Forms Authentication. In the past, people would often protect the application pages themselves, and leave images and media content...
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Knowing when to restart IIS to pick up various types of changes to your application has traditionally been a challenge. IIS and ASP.NET are both stateful software systems, which heavily rely on cached state that is loaded once to provide high performance....
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IIS 7.0 improves on the already solid performance of its predecessor in quite a few places. But the real power lies in the new capabilities IIS 7.0 provides that can significantly improve performance, scalability, and reduce operational costs of running...
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When dealing with hard to find IIS 7.0 errors, I break out the trusty Failed Request Tracing. My favorite way of doing this is through the command line...
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Among IT circles, IIS 7.0’s modularity is definitely one of its most welcomed traits. It promises a significantly reduced surface area, lightweight management overhead, and better performance. Ever wonder how far you can go with modularizing IIS 7.0?...
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It's been one week since I left Microsoft, and what a week its been! I dont remember the last time I was on so little sleep :) I'll be making some changes to www.mvolo.com and posting more info about the new stuff shortly. I have to say though...
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IIS 7.0 provides a number of APIs that you can use to manage configuration remotely. This post provides the info and tools you need to configure remote access to IIS 7.0 configuration, including for use on Server Core installations....
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