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Long running async and memory fragmentation

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We are working on performance a lot lately, but performance isn’t just an issue of how fast you can do something, it is also an issue of how many resources we use while doing that. One of the things we noticed was that we are using more memory than we would like to, and even after we were freeing the memory we were using. Digging into the memory usage, we found that the problem was that we were suffering from fragmentation inside the managed heap. More to the point, this isn’t a large object heap fragmentation, but actually fragmentation in the
standard heap. The underlying reason is that we are issuing a lot of outstanding async I/O requests, especially to serve things like the Changes() API, wait for incoming HTTP requests, etc. Here is what this looks like inside dotProfiler. As you can see, we are actually using almost no memory, but heap fragmentation is killing us in terms of memory usage. Looking deeper, we see: We suspect that the issue is that we have pinned instances that we sent to async I/O, and that match what we have found elsewhere about this issue, but we aren’t really sure how to deal with...(Read whole news on source site)

The Morning Brew #1806

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Bumper Visual Studio 2015 CTP6 edition today! Visual Studio 2015 CTP6 and TFS 2015 CTP1 Visual Studio 2015 CTP 6 and Team Foundation Server 2015 CTP Released – John Montgomery announces the release of Visual Studio 2015 CTP 6 along with the first CTP release of Team Foundation Server 2015 VS 2015 CTP6 and TFS […]

Installing TFS 2015 CTP1–A quick video walkthrough in <3 minutes

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Brian Harry announced today on his blog that Visual Studio 2015 CTP6 and TFS 2015 CTP 1 were both available for download. As you can see from the CTP numbers, there have been a number previous CTPs for Visual Studio but this is the first time we’ve got to take a look at TFS 2015. I have recorded a very quick video showing how to install TFS 2015 CTP1 on a fresh installation of Windows Server 2012 R2. It covers installing SQL 2014 followed by TFS 2015 CTP1. I finish off by creating a new Team Project using Visual Studio

Microsoft Tuesday - Top News - #02

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It’s Tuesday again and as I mentioned last week, it’s time to share top 5 links on Microsoft platform which includes few big announcements too. Above the fold you will find announcement on Handwriting in OneNote for iPad, followed by various other posts on Azure Machine Learning and BigData. This blog post has been composed with the help of Microsoft. Share your views/opinions to Microsoft about the links shared below by dropping a line at the comment section.    Handwriting in OneNote for iPad and OCR everywhere OneNote can help you keep
track of life and stay organized by making it easy to capture anything, enrich and organize it, and eventually recall it when and where you need it. Today, we’re introducing two big improvements for capturing content into OneNote and enriching that content to make it easier to recall. First, we’ve added handwriting to OneNote for iPad. This has been a top requested feature, and is now available in OneNote across all of the most popular platforms, including Surface Pro 3.    Azure Mobile Engagement now in Public Preview Back in May 2014, Microsoft acquired Capptain...(Read whole news on source site)

Introducing ASP.NET 5

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The first preview release of ASP.NET 1.0 came out almost 15 years ago.  Since then millions of developers have used it to build and run great web applications, and over the years we have added and evolved many, many capabilities to it.  I'm excited today to post about a new release of ASP.NET that we are working on that we are calling ASP.NET 5.  This new release is one of the most significant architectural updates we've done to ASP.NET.  As part of this release we are making ASP.NET leaner, more modular, cross-platform, and cloud optimized.  The ASP.NET 5 preview is
now available as a preview release, and you can start using it today by downloading the latest CTP of Visual Studio 2015 which we just made available. ASP.NET 5 is an open source web framework for building modern web applications that can be developed and run on Windows, Linux and the Mac. It includes the MVC 6 framework, which now combines the features of MVC and Web API into a single web programming framework.  ASP.NET 5 will also be the basis for SignalR 3 - enabling you to add real time functionality to cloud connected applications. ASP.NET 5 is...(Read whole news on source site)

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