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Getting Unique Values: Efficient Data Retrieval in ArangoDB
While paging through the issues in the ArangoDB issue tracker I came across issue #987, titled “Trying to get distinct document attribute values from a large collection fails”. The issue was opened around 10 months ago when ArangoDB 2.2 was around. We improved AQL performance somewhat since then, so I was eager to see how…
ArangoDB 2.6 Alpha3: Testing New Features & Performance
The 2.6 release preparations are on track: with a 3rd alpha release available for testing purposes today. Please download the latest alpha build and provide us your valuable feedback. We put great efforts in speeding-up core ArangoDB functionality to make AQL queries perform much better than in earlier versions of ArangoDB. The queries that improved…
MERII Hummingbird A80 Optimus Cluster: ArangoDB Deployment
For running ArangoDB in clusters doing performance tests we wanted to have a non virtualized set of descent hardware with fast ethernet connection, enough RAM (since thats what Arango needs) and multicore CPU. Since you need a bunch of them, cheap ARM devel boards come to mind. The original Raspberry PI (we have those) is…
Create an ArangoDB cluster on Microsoft Azure
During the last weeks we’ve released our new deployment tool for cloud computing platforms with how-to’s for Google Compute Engine, Digital Ocean and Amazon Web Services support. Today we show how to deploy an ArangoDB cluster on Azure with a single command. Azure To easy-deploy an ArangoDB cluster on Azure you just need to install…
Foxx Swagger Integration: Streamline API Documentation
The generated API documentation in ArangoDB 2.6 has been updated to Swagger 2. To see the API documentation for any of your Foxx apps, open the web admin frontend and select your app from the Applications tab. For information on how to describe your own APIs in the generated documentation, see the ArangoDB documentation. But…
Diffing Two Documents in AQL: ArangoDB Data Comparison
I just stumbled upon a comment in the ArangoDB blog asking how to create a diff of two documents with AQL. Though there is no built-in AQL function to diff two documents, it is easily possible to build your own like in the following query. Read more on how to diff two documents in AQL.
ArangoDB 2.6 API Changes: Updates & Enhancements
ArangoDB 2.6 comes with new and changed APIs as well as changed behavior regarding document keys and several graph functions. If you use Travis-CI for your tests you can download the Travis-CI ArangoDB build here: Travis-CI/ArangoDB-2.6.0-alpha2.tar.gz The changes so far: APIs added added batch document removal and lookup APIs: These APIs can be used to…
ArangoDB 2.6 Alpha2: Testing New Features & Performance
Our next major release ArangoDB 2.6 is on the finishing straight with an early alpha2 version for Linux released today. UPDATE: New alpha3 release available. We put great efforts in speeding-up core ArangoDB functionality to make AQL queries perform much better than in earlier versions of ArangoDB. The queries that improved most in 2.6 over…