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Enhanced AQL in ArangoDB 2.5: Improved Query Capabilities
Contained in 2.5 are some small but useful AQL language improvements plus several AQL optimizer improvements. We are working on further AQL improvements for 2.5, but work is still ongoing. This post summarizes the improvements that are already completed and will be shipped with the initial ArangoDB 2.5 release.
Exploring More ES6 Features: ArangoDB Insights
ArangoDB 2.5 comes with an upgraded version of V8, Google’s open source JavaScript engine. The built-in version of V8 has been upgraded from 3.29.54 to 3.31.74.1. In addition to several already usable ES6 features (detailed in this blog, the following ES6 features are activated in ArangoDB 2.5 by default: iterators and generators template strings enhanced…
ArangoDB 2.4.4 Release: Stability and Performance Enhancements
This version is deprecated. Download the new version of ArangoDB A maintenance release for ArangoDB 2.4 is available for download or via your favorite package manager. v2.4.4 (2015-02-24) fixed the generation template for foxx apps. It now does not create deprecated functions anymore add custom visitor functionality for GRAPH_NEIGHBORS function, too increased default value of…
When and how to use sparse indexes in ArangoDB 2.5
This version is deprecated. Download the new version of ArangoDB In ArangoDB 2.5, hash and skiplist indexes can optionally be made sparse. Such sparse indexes will exclude documents in which at least one of the index attributes is either not set or has a value of null. Declaring an index as sparse can provide great…
ArangoDB 2.5 Beta: Test New Features & Enhancements
This version is deprecated. Download the new version of ArangoDB The current sprint comes to an end and ArangoDB 2.5 is available as beta. We appreciate your feedback and hope that many developers try this new beta release. We have used the last weeks to improve the Foxx framework for data-centric microservices – enhancing debug…
ArangoDB at NoSQL Matters Paris: Insights & Innovations
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….
ArangoDB in San Francisco: Exciting Developments & Events
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…
Comparison: Lockless programming with atomics in C++ 11 vs. mutex and RW-locks
ArangoDB is multithreaded and able to use several CPU-cores at once. Because of that access to common data structures to these threads have to be protected from concurrent access. ArangoDB currently uses mutexes, spinlocks and RW-locks for that. With the ongoing development of the MVCC the number of situations where protected access is needed grows…
ArangoDB 2.4.3 Release: Bug Fixes and Enhancements
This version is deprecated. Download the new version of ArangoDB A maintenance release for ArangoDB 2.4 is available for download or via your favorite package manager. v2.4.3 (2015-02-06) fix multi-threading with openssl when running under Windows fix timeout on socket operations when running under Windows Fixed an error in Foxx routing which caused some apps…
ArangoDB Logstash Output: Efficient Data Integration
Inspired by a question on StackOverflow, I did some investigation about how to make Logstash send log events to ArangoDB. There is no dedicated Logstash output plugin for ArangoDB on the Logstash plugins page, so I had already accepted to write one on my own. Browsing the plugins page for inspiration, I found an HTTP…
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