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Exporting Data for Offline Processing in PHP: ArangoDB Guide
A few weeks ago I wrote about ArangoDB’s specialized export API. The export API is useful when the goal is to extract all documents from a given collection and to process them outside of ArangoDB. The export API can provide quick and memory-efficient snapshots of the data in the underlying collection, making it suitable for…
AQL Functions Enhancements: Boosting ArangoDB Query Capabilities
Waiting for a git pull to complete over an 8 KiB/s internet connection is boring. So I thought I’d rather use the idle time and quickly write about some performance improvements for certain AQL functions that were recently completed and that will become available with ArangoDB 2.6. The improvements affect the following AQL functions: UNSET():…
Efficient Data Collection with Hash Tables: ArangoDB Insights
ArangoDB 2.6 will feature an alternative hash implementation of the AQL COLLECT operation. The new implementation can speed up some AQL queries that can not exploit indexes on the COLLECT group criteria. This blog post provides a preview of the feature and shows some nice performance improvements. It also explains the COLLECT-related optimizer parts and…
Creating Multi-Game Highscore Lists: ArangoDB Techniques
I just came across a question about how to create highscore lists or leaderboards in ArangoDB, and how they would work when compared to Redis sorted sets. This blog post tries to give an answer on the topic and also detailed instructions and queries for setting up highscore lists with ArangoDB. The additional section “Extensions”…
Collision Conf 2015: ArangoDB Insights & Collaborations
We are looking forward to joining the tech crowd at the Collision Conf that will take place in just a few weeks. Join us at this amazing event downtown Las Vegas on 5–6 May 2015. As a sister event of Web Summit – Europe’s largest tech conference attracting over 20,000 attendees from around the world…
AQB Update: Write More Readable Queries with ArangoDB
The latest update to the AQL Query Builder for JavaScript addresses a major pain point: the “prefix notation” or LISP style syntax of AQL operator methods. Instead of calling the operator methods on the query builder object itself, you can now directly call them as methods on value objects. Let’s say you want to write…
Create an ArangoDB cluster on Google Compute Engine with a single command
Last week we’ve released the first version of our new deployment tool for cloud computing platforms with Digital Ocean support. (Edit: now also available: Amazon Web Services) Today we show how to deploy an ArangoDB cluster on Google Compute Engine with a single command. Google Compute Engine To easy-deploy an ArangoDB cluster on Google Compute…
Testing Foxx with Mocha: ArangoDB Development Insights
Some of the most frequent questions by new programmers learning Foxx have been about testing. While the HTTP API can easily be tested with any HTTP client and any JavaScript code that can be isolated from the ArangoDB APIs could be tested in similar environments like Node.js or io.js, it was all but impossible to…
Document Update with arangoimp: ArangoDB Data Management
Inspired by the feature request in Github issue #1298, we added update and replace support for ArangoDB’s import facilities. This extends ArangoDB’s HTTP REST API for importing documents plus the arangoimp binary so they can not only insert new documents but also update existing ones. Inserts and updates can also be mixed in a single…
ArangoDB 2.5.2 Release: Enhanced Features & Stability
This version is deprecated. Download the new version of ArangoDB A maintenance release of ArangoDB 2.5 is available for download. The latest v2.5.2 comes with cluster speedups, some fixes in cluster mode and improved graph queries. You can start an ArangoDB cluster on Digital Ocean with a single command, other cloud services will follow in…