Arun Kejariwal

Arun Kejariwal
Lead Engineer, Independent


@arun_kejariwal 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.


Operations and Culture
Location: Palace Suite Level: Intermediate
Arun Kejariwal (Independent), Winston Lee (Twitter Inc.)
Average rating: ***..
(3.04, 23 ratings)
High performance and high availability are, amongst others, key to delivering the best end-user experience. To this end, capacity planning plays an integral role - supporting user growth without impacting the end user experience. At Twitter, we have build a novel framework to guide capacity planning via statistical analysis of a variety of performance and application metrics. Read more.


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