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Using data modeling to deal with shady clients

October 28, 2019

I run into the following Reddit’s question: My client’s business sounds shady. Should I run away? And I thought it was very interesting. Here are the relevant details: I have a client who wants me to finish developing a web application for him. Basically, his application has 2 types of users, buyers and sellers. The buyers can create an account…

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re: RavenDB. Two years of pain and joy

October 25, 2019

I was pointed to this blog post which talks about the experience of using RavenDB in production. I want to start by saying that I love getting such feedback from our users, for a whole lot of reasons, not the least of which is that it is great to hear what people are doing with our database. Alex has been using RavenDB for a while, so he had the…

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RavenDB Cloud now support multiple users per account, two factor authentication

October 23, 2019

We released RavenDB Cloud a few months ago, with great response from the community. Since the cloud offer was released, we have been silently working on more features and capabilities. Many of them you’ll never even notice. We have integrated RavenDB monitoring and RavenDB Cloud’s capability to do live deploys, for example, so your RavenDB Cloud…

Articles

The Big Trends in Databases Today

October 23, 2019

As data evolves, so do the needs today’s businesses have for their databases. The first trend is the need for proper edge processing. The Internet of Things and Mobile revolution has enabled billions of devices to pick up new forms of data in places never seen before. Data is being picked up at the bottom of the ocean, it is being picked up at…

nosql-database

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An Open Source Database – Exposing the Advantages

October 22, 2019

“I’ve never seen it done before. I don’t think this is even possible. You know what, show me the code…” Automatic indexes? Rob Ashton thought it was possible, and I was certain it can’t be done. He persisted talking about an impossible feature, and eventually I told him that he is welcome to show me how it is done. 24 hours later he got back…

nosql-database

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Creating a good SaaS experience in the cloud

October 18, 2019

I care about usability and the user experience for our users. We spend a lot of time on making sure that things are running smoothly. When we created RavenDB Cloud, I knew that it was important to create a good experience for our cloud offering. One of the most important things that I did was to go and look at other people’s offerings and see…

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Searching through text: Part III, Managing posting lists

October 17, 2019

In the previous posts in this series, I explored a bit how to generate a full text index on top of the Enron data set. In particular, we looked at (rudimentary) analysis of text in the first post and looked into posting lists (list of matching documents for specific terms) in the second one. It occurred to me that we need to actually have a much…

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Searching through text: Part II, Exploring posting lists persistence

October 16, 2019

In full text search terminology, a posting list is just a list of document ids. These are used to store and find matches for particular terms in the index. I took the code from the previous post and asked it to give me the top 50 most frequent terms in the dataset and their posting lists. The biggest list had over 200,000 documents, and I…

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On Replacing Lucene

October 15, 2019

My previous post got an interesting comment: I smell a Lucene.NET replacement for Raven 5 in the future 🙂 I wanted to deal with this topic, but before we get to it, please note. I’m not committing to any features / plans for RavenDB in here, merely outlining my thinking. I really want to drop Lucene. There are many reasons for this. The…