Sep 23–26, 2019

ThirdEye: LinkedIn’s business-wide monitoring platform

Akshay Rai (Linkedin)
2:05pm2:45pm Thursday, September 26, 2019
Location: 1E 14

Who is this presentation for?

Software Engineers, Business analysts




Mean Time To Detect (MTTD) and Mean Time To Restore (MTTR) are metrics used to describe how long it takes to discover a problem and how long it takes you to restore the issue since it was detected. The shorter the MTTD and MTTR, the less time spent in outage and the more availability your product retains. Given that products and services will inevitably break at some point, we need to be adept at detecting and restoring service as soon as possible. The issue triage and restoration lifecycle is made up of several steps: capturing metrics, detection (requiring monitoring/alerting), escalation, investigating, and remediation. Each segment of the triage needs to be measured for efficiency and effectiveness in order to keep these metrics as short as possible and we plan to achieve this using a platform called ThirdEye.

ThirdEye is a self-service experience enabling anyone to rapidly identify and investigate deviations in business and system metrics. At LinkedIn, Third Eye is used by several teams spanning across business analysts, engineers and over 10k metrics are monitored actively. ThirdEye provides anomaly detection and collaborative dashboards for data analysis and brings together critical data that impacts metrics in a single place: Holidays, Deployments, Company-wide issues and more. This talk will introduce the concepts behind the open-source ThirdEye project, how it is built, share our learnings and our long term plans. This session will also take you through a powerful analysis of how Third Eye helped detect and investigate some of the major issues that occurred on LinkedIn.

Prerequisite knowledge

Basic knowledge of monitoring and debugging issues

What you'll learn

Learn how to build and leverage a generic domain-independent platform to detect and recover from business and operational issues that occur in an organization by running anomaly detection and diagnosis on a wide variety of metrics and data.
Photo of Akshay Rai

Akshay Rai


Akshay Rai is a Senior Software Engineer at LinkedIn whose primary focus is to reduce the Mean time to Detect issues and the Mean time to Resolve issues that arise at LinkedIn. He is currently working on LinkedIn’s next-generation anomaly detection and diagnosis platform. Earlier, he was actively leading the popular Dr. Elephant project at LinkedIn and helped open source it. He has also worked on operational intelligence solutions for Hadoop and Spark by building real-time systems that enable monitoring, visualizing and debugging of Big Data applications and Hadoop clusters.

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