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Boost Your Application Performance at No Added Cost

June 21, 2021

You already paid 100% for a database, why stop at just 50% of what it can do for your app? Knowing how some of the simplest parts inside your database work, you can make enhancements that will boost your application’s performance.

Blog

The cost of the cloud

June 21, 2021

I mentioned that I’m teaching a Cloud Computing course at university in a previous post. That lead to some good questions that I have to field about established wisdom that I have to really think about. One such question that I run into was about the intersection of databases and the cloud. One of the most important factors for database…

Press Releases

RavenDB 5.2 Enhances Data Analytics and Visualization

June 21, 2021

Users can push their RavenDB data into a data lake for enabling OLAP business intelligence. Grafana integration allows for visualizing data and its impact on system hardware. June 21, 2021, Hadera, Israel: Expanding from its traditional store and show data ops, RavenDB has released several new features allowing users to do more with the data…

Blog

RavenDB 5.2 Features: Read only certificates

June 18, 2021

We are gearing up to a new release of RavenDB, and it is about time that I’ll start talking about the new features. I thought to start with what one of our most requested features: Read only access to RavenDB. This has been asked by enough customers that we decided to implement it, even though I don’t like the concept very much. One of the key…

Blog

Answers: Detecting livelihood in a distributed cluster

June 17, 2021

Yesterday I asked about dealing with livelihood detection of nodes running in AWS. The key aspect is that this need to be simple to build and easy to explain. Here are a couple of ways that I came up with, nothing ground breaking, but they do the work while letting someone else do all the heavy lifting. Have a well known S3 bucket that each of the…

Blog

Challenge: Detecting livelihood in a distributed cluster

June 16, 2021

I’m teaching a course at university about cloud computing. That can be a lot of fun, but quite frustrating at time. The key issue for me is that I occasionally need to provide students with some way to do something that I know how to do properly, but I can’t. Case in point, assuming that I have a distributed cluster of nodes, and we need to detect…

Blog

Sorted integer compression

June 15, 2021

In the database field and information retrieval in general, there is a very common scenario. I have a list of (sorted) integers that I want to store, and I want to do that in an as efficient a manner as possible. There are dozens of methods to do this and this is a hot topic for research. This is so useful because there are so many places where…

Blog

Hot failures and high availability

June 14, 2021

Last week, Amazon had an outage in its Frankfurt region. Here is what they had to say about it: We can confirm increased API error rates and latencies for the EC2 APIs and connectivity issues for instances within a single Availability Zone (euc1-az1) within the EU-CENTRAL-1 Region, caused by an increase in ambient temperature within a subsection…

Videos

Machine Learning and Time Series in RavenDB with Live Examples

June 11, 2021

RavenDB CEO Oren Eini gives you live examples of time series data processing with machine learning solutions to demonstrate how you can monitor millions of independent ingestion points to decipher the valuable messages your data is telling you.