Vancouver, BC, Canada
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Wednesday, August 29 • 4:00pm - 4:40pm
Finding a Needle in the Haystack - Ashish Aggarwal & Shreya Sharma, Expedia Group

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Expedia's mission is helping people go places through the power of technology. To accomplish this we run hundreds of microservices, but what happens when one or more services fail at the same time? To improve the observability of system and provide high quality of service, we realize a need to connect these failure points across the distributed topology to reduce mean time to know(MTTK) and resolve (MTTR).

In this talk, we will present our journey of distributed tracing that started with Zipkin and ended in building our own solution in open source. We designed the system using Kafka (KStreams), Cassandra, ElasticSearch and MetricTank with the key focus on extensibility and OpenTracing principles. We will deep dive on distributed tracing, trending and statistical alerting components and demonstrate how containerizing these components on Kubernetes helps us in ingesting terabytes of tracing data per day.


Ashish Aggarwal

Principal Software Engineer, Expedia Group
Ashish Aggarwal is a Principal engineer at Expedia. He works predominantly on building large scale distributed systems and big data processing. He is currently working on an open source project (Haystack) from Expedia for distributed tracing. He is relentless learner and is passionate... Read More →
avatar for Shreya Sharma

Shreya Sharma

Technical Product Manager, Expedia Inc.
Shreya Sharma is working as a technical product manager for the past year on the first open source product by Expedia. She is happiest when talking about the problems they solved, the various approaches they tried and the challenges they overcame. She’s previously worked as a software... Read More →

Wednesday August 29, 2018 4:00pm - 4:40pm PDT
Room 118