Blogs — July 2019

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Technical Popular Technical — Cassandra Technical — Kafka

Geospatial Anomaly Detection (Terra-Locus Anomalia Machina) Part 4: Cassandra, meet Lucene—The Cassandra Lucene Index Plugin!

Monday 8th July 2019 by Paul Brebner

Massively Scalable Geospatial Anomaly Detection with Apache Kafka and Cassandra After being Lost in (3D) Space in the last blog, in this final part of the geospatial anomaly detection series, we come back down to Earth and try out the Cassandra Lucene Plugin (this was our destination all along, but it’s a long way to […]
Geospatial Anomaly Detection - Cassandra Lucene Index Plugin

Popular Technical — Cassandra Technical — Kafka Technical

Geospatial Anomaly Detection (Terra-Locus Anomalia Machina) Part 3: 3D Geohashes (and Drones)

Monday 8th July 2019 by Paul Brebner

Massively Scalable Geospatial Anomaly Detection with Apache Kafka and Cassandra In this blog we discover that we’ve been trapped in Flatland, and encounter a Dimension of the Third Kind. We introduce 3D geohashes, see how far up (and down) we can go (geostationary satellite orbits, the moon, and beyond), revisit Cassandra partition sizes, and come […]
Geospatial Anomaly Detection - 3D Geohashes and Drones