10 Best Practices to Improve ASP.Net Core Performance
07 Sep, 2020
7 min read
There is one major reason, why ASP.NET core is a favourite framework for everyone — Its Performance
It provides developers a stable foundation for building web applications. However, it is important for ASP.Net developers to adopt smart development practices to ensure robust and secure software is built. In addition, they have to perform timely checks to ensure the application is performing up to the mark.
This blog is all about some important tips to improve the performance of your ASP.NET Core applications.
Backed by Microsoft, ASP.Net core brings the benefits of ASP.NET and MVC.NET in a common programming paradigm. Its high security and exclusive features make it an excellent choice for developing quality web applications.
Here, look at some of the reasons why ASP.Net is considered one of the best technologies present today.
Each version comes with a new upgrade, advanced features, and better performance.
For example, .NET Core 2.1 added JIT compiler, support from compiled regular expressions, and benefitted Span tags, whereas 2.2 have support for HTTP/2. ASP.NET Core 3.0 offered fast memory reading and writing, assembly unloads ability, and more. As for ASP.Net core 5, they introduced new features like Text.JSON, C#9 record type support and improvements in MVC model binding & Visual basics.
The latest version of .NET, i.e., .Net 6 Core was released on November 8, 2021 with simplified processing and optimized performance capabilities. With features like hot reloading, smart code editing, support for Visual Studio 2022, developing full-stack software is made effortless.
So, while creating applications using ASP.NET core, always prefer the latest version of the ASP.NET Core as Microsoft always enhances the performance of the latest version in comparison to the previous.
You should design you ASP.NET Core application to execute multiple processes simultaneously. And you can achieve this through an Asynchronous API that handles thousands of requests without waiting on blocking calls. Rather than waiting on the synchronous task to complete, it can start working on another thread.
The problem with ASP.NET Core applications is blocking asynchronous execution by calling Task.Wait or Task.Result. These block the thread until the task is completed and wait for its completion. Also, avoid calling Task.Run as ASP.NET Core already runs threads in the normal thread pool so calling Task.Run would result in extra unnecessary Thread Pool Scheduling.
Instead, make hot code paths asynchronous, call data access, I/O, and long-running patterns APIs asynchronously so that operations can be performed without affecting other processes.
You can use Profiler such as PerfView to find the threads frequently added to the Thread Pool.
Ensuring technicalities of a running application could be a tedious task. AT Biztech, we have a team of experienced developers that could be your extended team to manage your tasks. Whether you want to build the app from scratch or want customization in your current app, get in touch with us today for the best possible solutions.
If you want to increase the performance of the application, the commonly known trick is to reduce the number of requests sent to the server every time. How it works: a call is sent to the server and the response received is stored. So, when the next time a call is made for a similar response, instead of requesting the server, the data gets checked with the stored data and if it matches, the data is retrieved from there rather than making a call to the server.
This is how caching saves time and improves the overall performance; reducing the server calls again and again. You can do client-side, server-side, or client/server-side caching. ASP.NET Core provides different caching such as caching In-Memory, Response caching, Distributed caching, etc.
Always use it for better performance!
To improve the performance of the application, we can optimize the data access logic. As the data is fetched from the database, fetching it every time is time-consuming. Here are some techniques that you can use to increase app performance.
Optimizing code and business logic helps in improving the performance of the applications. Here’s how what you can do
Make your code fast by using Middleware components that optimize frequently-called code paths and store responses and serve them from the cache. The component is available in the Microsoft.AspNetCore.ResponseCaching package.
In Startup.ConfigureServices, add the Response Caching Middleware to the service collection.
public void ConfigureServices(IServiceCollection services)
It is recommended to use performance profiling tools such as PerfView to identify hot code paths.
One of the many benefits of Asp.Net Core is the availability of garbale collector to manage all allocations, release memory automatically in the ASP. NET Core applications, and cleaning up unreferenced objects that takes CPU time. Thus, developers should avoid allocating unwanted objects in the hot code paths. Garbage collection is expensive and large heap generations such as generation 2 require a temporary suspension of app execution to clean up. Frequent allocation and clean up can hamper the app’s performance.
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ASP.NET Core 6.0 utilizes ‘System.Text.Json’ for JSON serialization to and deserialization from options. That means you can read and write JSON asynchronously without waiting for other processes to execute. Use JSON as it improves the performance better than Newtonsoft.Json.
Moreover, the System.Text.Json namespace provides high performance, low allocation, compliant capabilities, objects to JSON text serialization, and deserialization of JSON text to objects. Now, instead of serializing vis string-based methods, you can serialize using an UTF-8 array. This method is near about 5 to 10% faster in execution. You need to call JsonSerializer.SerializeToUtf8Bytes method for the serialization.
Throwing and catching exceptions is slower than other code patterns. Hence, they should be rare and shouldn’t be used to control normal program flow.
You can use App diagnostic tools such as Application Insights to identify common exceptions in an app and how they perform.
Optimize the content before loading using minification. Minimize the code and try to load all your client-side assets like JS/CSS in one go. After minifying the files, bundle those in one so that it can be loaded faster. Just like the zip file. Compress it and then zip it.
Large images take a lot of time to load. Instead, you can shrink the images using compression tools to improve loading time.
I hope the information above helps you improve the performance of your ASP.NET Core applications. Try to implement most of them in your app development to leverage the multiple benefits of Asp.Net core. If you have any challenges while making changes our expert team can help you with solutions.
After working for over a decade with clients like you, ASP.NET core is one of our forte with a strong portfolio.Our seasoned ASP.Net developers can handle every challenge and build robust applications that streamlines with your business goals.
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To improve the performance of ASP.Net core, invest in best development practices such as avoiding blocking calls, caching, minimizing large object allocations, optimizing I/O and data access, minimize exceptions, and compress responses, etc.
The built-in IIS server kernel caching in ASP.Net core makes the process of CPU rendering much more simpler here. Thus, even if your application performs CPU-intensive tasks, ASP.Net core is capable of performing much faster compared to Node JS.
Both are based on MVC (Model, View, Controller) architecture and perform seamlessly. However, the support for modular architecture and robust cloud support makes ASP.Net core a preferable choice in many occasions.
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