ArangoDB Weekly #31 | Official Docker Repo & new Release 2.6.3

ArangoDB is now an Official Repo in the Docker Hub, one of just four additions in the last 2 months. Please try and tell your friends! ArangoDB 2.6 is known as a performance release and we’ve continued to improve the core by killing locks and optimizing code. Looks like we can show some impressive performance boosts soon. Furthermore, Mike Williamson wrote a blog post on modeling data with ArangoDB last week, that is worth to read.

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ES6 Features TurboFan, Strong-mode and REST Parameters come with new V8 Upgrade

ArangoDB 2.6 uses V8 engine version for running its own and all user-defined JavaScript code. In ArangoDB 2.7 (currently in development), we have upgraded V8 to version 4.3.61.

The new V8 version in ArangoDB 2.7 provides several additional ES6 Harmony features that can be used to improve JavaScript usability and code quality. This blog post showcases strong mode and rest parameters, and also shows how to activate TurboFan, V8’s new JIT compiler for JavaScript.

ArangoDB 2.7 is in development right now, but it can be tried today by compiling it from source.


Posted in General | 4 Comments

How an open-source competitive benchmark helped to improve databases

TL;DR: Our initial benchmark has raised a lot of interest. Initially we wanted to show that multi-model can compete with other solutions. Due to the open and competitive way we have conducted the benchmark, the discussions around it have lead to improvements in all products, better algorithms, faster drivers and better ways to use the databases.

General Setup

From the outset we published all code and data and asked the vendors of all tested products as well as the general public, not only to run the tests on their own machines, but also to suggest improvements in the data models, test code, database configuration, driver usage and server configuration. This lead to a lively discussion, lots of pull requests and even to the release of improved versions of the database products themselves!

This process exceeded all our expectations and is yet another great example of community collaboration not only for fact finding but also for product improvements. Obviously, the same benchmark code will always show slightly different results when run on different hardware, operating systems, network setups and with more or less RAM. Therefore, a reliable result of a benchmark can essentially only be achieved by allowing everybody to run it on their own machines.

The technical setup is described in the above blog post. Let me briefly repeat the key facts.


Posted in General, Performance | 17 Comments

AQL Improvements for 2.7

With ArangoDB 2.6 being in beta already, it’s time to look at some features scheduled for 2.7. Today I’ll showcase a few AQL parser improvements that are present in the devel branch already, which will be the foundation for the 2.7 release.

Star operator

The already existing star operator ([*]) is much more flexible in 2.7 than in previous ArangoDB versions. It now allows filtering the values it iterates over, and optional projections.

These features will be demonstrated using the following example member data:


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Using Public Key infrastructure with Debian / Ubuntu repositories

We want to have a full chain of trust for our debian packages. Therefore the Suse Open Build Service (OBS) service signs them. We publish the key alongside the repository.

However, one can do better and do the validation right on apt-get install arangodb. Here’s how: (more…)

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Improved System User Authentication

ArangoDB can easily be configured to require HTTP authentication for access to the web admin frontend or the REST API. But while Basic Auth works fine for APIs, the user experience in the web admin frontend was decidedly sub-par: browsers would often persist the authentication credentials indefinitely, logging out was made difficult or impossible and switching users was hit-or-miss.

The upcoming ArangoDB 2.6 release introduces cookie-based authentication for the web admin frontend, allowing you to side-step the issue altogether by using the built-in session manager instead of the low-level HTTP API authentication. (more…)

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ArangoDB Team in Silicon Valley / San Francisco

ArangoDB’s outpost in the Bay area is getting more and more crowded. CTO Frank @fceller has joined the team of our CEO Claudius @weinberger, and ArangoDB´s lead developers: Max @neunhoef & Michael @mchacki. The latter are in San Francisco for a while already.

You can meet our team by attending several Meetups, the Collision Conf in Vegas (5-7 May) or at the @GeekdomSF office at Folsom Street #100, near Moscone Center. Get in touch, grab’ a coffee and join the discussions about NoSQL and multi-model databases. We are here to stay – at least until the end of May. (more…)

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AQL Functions Improvements

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(): remove specified attributes from an object/document
  • KEEP(): keep only specified attributes of an object/document
  • MERGE(): merge the attributes of multiple objects/documents

This blog post shows a few example queries that will benefit from 50 to more than 60 % reductions in query execution times due to the changes done to these functions.


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ArangoDB @NoSQLmatters Paris, March 26th / 27th

If you are interested in NoSQL and come from France, the NoSQL matters conference in Paris is your place to go. ArangoDB contributes with a workshop and a talk and is a silver sponsor of the conference as well. You can meet our team at the exhibition space and ask your ArangoDB questions in person.

Tickets are available for both days, starting at €299 for the conference pass.

For one lucky member of our community the conference could be for free – we have one ticket left for the conference day, March, 27th.

Here is the link to participate: Win a ticket for NoSQL matters Paris 2015 (more…)

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ArangoDB in San Francisco / Bay Area

Join parts of the ArangoDB team in San Francisco. Max and Claudius are visiting the Bay Area from mid-February till end of March. Starting with the StrataConf in San Jose, Feb 17–20, 2015 Max and Claudius want to meet people, start cooperations, visit meetups and tell people in the Bay Area about ArangoDB.

If you know any hackerspaces we definitely should go, drop us a line and we will try to be there. We would be happy to see some of you guys in person and to respond to every question you may have about ArangoDB.

Posted in General | 2 Comments