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Gokul Prabagaren

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Unleashing Agility: How Capital One Embraced COTS for NextG...CloudOpen @ Open Source Summit North America 20242024-04-16
Capital One describes moving a loyalty platform from on‑prem monoliths to a modular COTS approach built on serverless Lambdas, async queues and dead letter…
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Push button deployments in minutes not months 🧭Python Web Conf 20232023-03-13
Capital One migrates from months-long vendor rollouts to push-button production deployments measured in minutes by standardizing CI/CD, automating security and…
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Enriching the Data vs Filtering in SparkOpen Source in Finance Forum New York 20222022-12-08
Compares two Spark patterns and shows a concrete replacement: swapping expensive in-memory inner join filtering for a per-row enrichment pipeline using left…
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Deep Dive on Real World Use Case in Capitalone on Serverless and How It Enables Its Partner's...CloudOpen @ Open Source Summit North America 20222022-06-21
Capital One migrates a partner redemption pipeline from many EMR Spark jobs to a reusable serverless system that uses EMR Spark batch replaced by JSON 3DS…
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How Shifting Left is Helping CapitalOne in its CICD Pro...cdCon 20222022-06-07
Capital One exits on-prem data centers, runs nearly all workloads in cloud and reports 85% automated deployments with 67% of deliveries within one hour to a…
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Modeling Financial Data In Cassandra To Serve Real Time And Batch WorkloadsApacheCon@Home 20212021-09-21
Capital One uses Apache Cassandra plus Apache Spark and Spring microservices to store rewards so one Cassandra schema serves both real‑time customer views and…
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Challenges of Spark Application coexisting with NoSQL databasesApacheCon@Home 20212021-09-21
Capital One describes a rewards platform built with Apache Spark, MongoDB and Cassandra that processes millions of transactions daily and billions yearly; talk…
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Enriching datasets using Apache Spark solves tracing in financial industryIndy Cloud Conf 20202020-03-26
"How Enriching datasets approach using Apache Spark solves granular tracing issue in regulated financial services industry" by: Gokul Prabagaren Apache Spark…
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