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Arun Kejariwal

Arun Kejariwal
Lead Engineer, Independent


Arun is currently a Staff Capacity Engineer at Twitter where he works on research and development of novel techniques to improve the accuracy of capacity models and demand forecasts. Prior to joining Twitter, @arun_kejariwal worked on research and development of practical and statistically rigorous methodologies to deliver high performance, availability and scalability in large scale distributed clusters. Some of the techniques developed have been published in peer-reviewed international conferences/journals.

@arun_kejariwal received his Bachelor’s degree in EE from IIT Delhi and doctorate in CS from UCI.


Arun Kejariwal (Independent), Piyush Kumar (Twitter Inc.)
Average rating: ***..
(3.25, 8 ratings)
Agile development has become very predominant in most web companies. This coupled with the dynamic nature of Twitter's traffic may result in sudden breakouts - which manifest themselves as a mean-shift or a rampup - in application and system metrics. The focus of this talk is to present a statistical approach to automatically detect breakouts in a timely fashion, thereby mitigating user impact. Read more.