Performance

Tuning Cluster for Cloud

Tuning Cluster for Cloud

Paul Marshall

In this post we discuss best practices for running Stardog Cluster in the cloud.

May 29, 2018

Studio Performance

Studio Performance

Jason Rogers

Performance in Stardog Studio matters a lot. Here are some of our secrets.

Apr 19, 2018

One Good Dog Deserves Another

One Good Dog Deserves Another

John Bresnahan

Working with Datadog, we can improve and troubleshoot all aspects of Stardog performance.

Feb 13, 2018

Writing cache-friendly code

Writing cache-friendly code

Alexander Toktarev

Cache-friendly code is crucial in a system like Stardog. We share all the secrets. That’s how we roll.

Jun 21, 2017

Fixing Avoidably Slow Queries

Pavel Klinov

Unselective Queries First, let’s consider unselective queries, that is, those which return large result sets and are often user errors. In the worst case an unselective query is indistinguishable from a bulk data transfer over a highly inefficient mechanism. Here’s a simplified version of one such query that we saw recently: CONSTRUCT { ?bus a :Bus . ?tram a :Tram . } WHERE { ?bus rdfs:label ?busLabel. FILTER (CONTAINS(LCASE(?busLabel), "bus")) ?

May 23, 2017

Top