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Sometimes it’s the hardware

December 31, 2024

An issue was recently raised with a really scary title: Intermittent Index corruption: VoronUnrecoverableErrorException. Those are the kinds of issues that you know are going to be complex. Fixing such issues in the past was usually a Task Force effort and quite a challenge. We asked for more information and started figuring out who would…

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Beware of These Hidden Pitfalls When Implementing Custom HttpContent in C#

December 30, 2024

Implementing custom HttpContent in C# can unlock powerful flexibility, but it comes with subtle details that can lead to tricky bugs. These nuances aren’t fully covered in the official documentation, yet they’re crucial for ensuring reliable HTTP requests. In this article, we’ll explore hidden aspects of custom HttpContent implementations…

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Isn’t it ironic: Money isn’t transactional

December 24, 2024

I write a transactional database for a living, and the best example of why we want transactions is transferring money between accounts. It is ironic, therefore, that there is no such thing as transactions for money transfers in the real world. If you care to know why, go back 200 years and consider how a bank would operate in an environment…

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Connecting Node.JS web application to RavenDB

December 23, 2024

What you will learn How to connect your web application made with node.js to a RavenDB database How to confirm your connection is established Introduction Connecting your Node.js web application to RavenDB is a simple process. By the end of this tutorial, we will connect your Node.js app to the RavenDB database and be ready to…

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How to setup RavenDB with ASP.NET Core 8 application

December 16, 2024

What you will learn How to connect your ASP.NET Core 8 application to a RavenDB database How to confirm your connection is established Introduction Connecting your C# console application to RavenDB is a simple process. By the end of this tutorial, we will connect your C# app to the RavenDB database and be ready to integrate it into…

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Processing invoices using Data Subscriptions in RavenDB

December 9, 2024

In this article we will tackle the problem of processing invoices in asynchronous manner using the RavenDB Data subscriptions feature. We will create a data subscription on Orders collection, and use a Subscription Worker to process the newly added Orders documents, in this particular article we are going to process in an ongoing fashion,…

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Incorporating machine learning into RavenDB indexing

December 3, 2024

What you will learn In this article you’ll find out how to use machine learning in the RavenDB indexing process. Following examples explain step-by-step how to: Train your own sentiment prediction model and use it to automatically classify comments as either toxic or non-toxic. Use a NuGet package with an already trained model to…

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RavenDB Performance: 15% improvement in one line

December 2, 2024

RavenDB is a database, a transactional one. This means that we have to reach the disk and wait for it to complete persisting the data to stable storage before we can confirm a transaction commit. That represents a major challenge for ensuring high performance because disks are slow. I’m talking about disks, which can be rate-limited cloud disks,…

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RavenDB Cloud: Auto scaling

November 26, 2024

RavenDB Cloud has a whole bunch of new features that were quietly launched over the past few months. I discuss them in this post. It turns out that the team keeps on delivering new stuff, faster than I can write about it. The following new auto-scaling feature is a really interesting one because it is pretty simple to understand and has some…