.NET Blog

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Using .NET Core to provide Power Query for Excel on Mac

April 15, 2020 Apr 15, 2020 04/15/20
Oded Hanson
Power Query is a data connection technology that enables you to discover, connect, combine, and refine data sources to meet your analysis needs. Features in Power Query are available in Excel and Power BI Desktop. Power Query was developed for windows and is written in C# targeting .NET Framework. The Power Query product has been in ...

Work flow of diagnosing memory performance issues – Part 1

April 12, 2020 Apr 12, 2020 04/12/20
maoni
Work flow of diagnosing memory performance issues – Part 0 Work flow of diagnosing memory performance issues – Part 1 (this post) Work flow of diagnosing memory performance issues – Part 2 In this blog post I’ll talk a bit about contributing to PerfView and then continue with the GCStats analysis. You can skip to the ...

Work flow of diagnosing memory performance issues – Part 0

April 5, 2020 Apr 5, 2020 04/5/20
maoni
Work flow of diagnosing memory performance issues – Part 0 (this post) Work flow of diagnosing memory performance issues – Part 1 Work flow of diagnosing memory performance issues – Part 2 I wanted to describe what I do to diagnose memory perf issues, or rather the common part of various work flows of doing such diagnostics...

Regex Performance Improvements in .NET 5

April 2, 2020 Apr 2, 2020 04/2/20
Stephen Toub - MSFT
For .NET 5, we’ve invested in some significant improvements to the Regex engine. On many of the expressions we’ve tried, these changes routinely result in throughput improvements of 3-6x, and in some cases, much more. In this post, I’ll walk through some of the myriad of changes that have gone into System.Text.RegularExpressions in .NET 5.

ASP.NET Core updates in .NET 5 Preview 2

April 2, 2020 Apr 2, 2020 04/2/20
Sourabh Shirhatti [MSFT]
.NET 5 Preview2 is now available and is ready for evaluation! .NET 5 will be a current release. Get started To get started with ASP.NET Core in .NET 5.0 Preview2 install the .NET 5.0 SDK. If you're on Windows using Visual Studio, we recommend installing the latest preview of Visual Studio 2019 16.6. If you're on macOS, we recommend ...

Announcing .NET 5.0 Preview 2

April 2, 2020 Apr 2, 2020 04/2/20
Rich Lander [MSFT]
Today, we're releasing .NET 5.0 Preview 2. It contains a set of smaller features and performance improvements. We're continuing to work on the bigger features that will define the 5.0 release, some of which are starting to show up as initial designs at dotnet/designs. The .NET 5.0 Preview 1 post covers what we are planning on building for .NET...

.NET for Apache® Spark™ In-Memory DataFrame Support

March 30, 2020 Mar 30, 2020 03/30/20
Brigit Murtaugh
.NET for Apache Spark is aimed at making Apache® Spark™, and thus the exciting world of big data analytics, accessible to .NET developers. .NET for Spark can be used for processing batches of data, real-time streams, machine learning, and ad-hoc query. The DataFrame is one of the core data structures in Spark programming. A DataFrame is ...

Helping Customers Effectively

March 30, 2020 Mar 30, 2020 03/30/20
maoni
I have to put a disclaimer here since this is not the usual type of blog posts I write. I’m by no means a master at communication. This is just what I thought that seemed to work well. YMMV of course. But I’d be very happy if they help you in some way ‘cause many of us work with customers. And I welcome your thoughts and suggestions. I...

Balancing work on GC threads

March 28, 2020 Mar 28, 2020 03/28/20
maoni
In Server GC, each GC thread will work on its heap in parallel (that's a simplistic view and is not necessarily true for all phases but on the high level it's exact the idea of a parallel GC). So that alone means work is already split between GC threads. But because GC work for some stages can only proceed after all threads are done with their...