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Unlocking Efficiency and Performance: Navigating the Spark 3 and EMR 6 Upgrade Journey at Slack – Engineering at Slack

Slack Data Engineering recently underwent data workload migration from AWS EMR 5 (Spark 2/Hive 2 processing engine) to EMR 6 (Spark 3 processing engine). In this blog, we will share our migration journey, challenges, and the performance gains we observed in the process. This blog aims to assist Data Engineers, Data Infrastructure Engineers, and Product […]

Proactive Measures Against Password Breaches and Cookie Hijacking – Engineering at Slack

At Slack, weโ€™re committed to security that goes beyond the ordinary. We continuously strive to earn and maintain user trust by safeguarding critical components integral to every userโ€™s experience. From passwords to session cookies, and tokens to webhooks, we prioritize protecting everything essential to how users log into the platform and remain authenticated. Through proactive […]

Enhancing Cloud Usage Forecasting, Monitoring & Optimizing

In 2020, Etsy concluded its migration from an on-premise data center to the Google Cloud Platform (GCP). During this transition, a dedicated team of program managers ensured the migration’s success. Post-migration, this team evolved into the Etsy FinOps team, dedicated to maximizing the organization’s cloud value by fostering collaborations within and outside the organization, particularly […]

174: Devops

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