22 December 2016 Engineering
Back in the dark ages of Elasticsearch, understanding why a query was slow required experience, intuition, reading some tea leaves and making sure the moon was
16 December 2015 Engineering
In the final article of this three-part series, we build a fully automated anomaly detector using Watcher to send email alerts.
02 December 2015 Engineering
In part 2 of this series on building a statistical anomaly detector, we graph the output in Timelion, a Kibana app for graphing time-series data.
23 November 2015 Engineering
In this series, we implement a statistical anomaly detector to detect when correlated changes in variance occur, providing forewarning of a disruption.
12 August 2015 Engineering
In Part 2, the Control Chart is used in tricky scenarios such as constantly increasing linear trends or cyclic/seasonal data.
03 August 2015 Engineering
22 January 2015 Engineering
13 January 2015 Engineering
08 July 2014 Engineering