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Unveiling Gavran: RavenDB re-written in C

April 1, 2021

RavenDB is written in C# and .NET, unlike most of the database engines out there. The other databases are mostly written in C, C++ and sometimes Java. I credit the fact that I wrote RavenDB in C# as a major part of the reason I was able to drive it forward to the point it is today. That wasn’t easy and there are a number of issues that we had to…

Articles

NoSQL Document-Oriented Databases: A Detailed Overview

March 18, 2021

Highlights: NoSQL document databases, such as RavenDB, store data in JSON-like documents, offering a flexible and intuitive way to handle semi-structured data compared to traditional relational databases. Unlike relational databases, NoSQL document databases allow for dynamic, self-describing schemas, enabling developers to modify data…

nosql-database

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When your data center is on fire… how will RavenDB react?

March 15, 2021

A couple of days, a fire started in OVH’s datacenter. You can read more about this here: We have a major incident on SBG2. The fire declared in the building. Firefighters were immediately on the scene but could not control the fire in SBG2. The whole site has been isolated which impacts all services in SGB1-4. We recommend to activate your…

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Benchmarking RavenDB on the Raspberry PI

March 8, 2021

I recently got my hands on a the Raspberry PI 400 (the one that comes in a keyboard form). That is an amazing idea and it make the Raspberry a lot more approachable for consumer cases. At any rate, one of my first actions was to put RavenDB on it and see how well it performs. You can see the results in the image below. In this case, we are…

Blog

All I hear about is the bad stuff

March 3, 2021

I recently got an email from a customer. It was a very strange interaction. The email basically said: I wanted to let you know that I recently had to setup a new server for an existing application of mine. I had to find an old version of RavenDB and I was able to get it from the site. This is the first time in quite some time (years) that I had…

Press Releases

DZone Inducts RavenDB CEO Oren Eini into its Hall of Fame

March 1, 2021

February 25, 2021, Research Triangle Park, North Carolina: Dzone, one of the top publishers to software developers, has voted RavenDB CEO Oren Eini into its Hall of Fame. Since their inception in 1997, Oren has proven himself the Ty Cobb of Software Development, ranking #2 all-time among their one million members in articles and…

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Global distributed consistency, the easy way

March 1, 2021

I run into an interesting scenario the other day. As part of the sign in process, the application will generate a random token that will be used to authenticate the following user requests. Basically, an auth cookie. Here is the code that was used to generate it: This is a pretty nice mechanism. We use cryptographically secured random bytes as…

Blog

How efficient is RavenDB?

February 26, 2021

We have been working on a big benchmark of RavenDB recently. The data size that we are working on is beyond the TB range and we are dealing with over a billion documents. Working with such data sizes can be frustrating, because it takes quite a bit of time for certain things to complete. Since I had downtime while I was waiting for the data to…

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Will you pay the consistency costs?

February 24, 2021

I was talking to a developer recently and had a really interesting discussion around the notion of consistency. For simplicity’s sake, let’s imagine that we are talking about a game and we need to deal with awarding achievements. The story in question begins with a seemingly innocent business requirement: We want to announce a unique achievement…