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How Spotify Optimized the Largest Dataflow Job Ever for Wrapped 2020 : Spotify Engineering

February 11, 2021 Published by Neville Li, Claire McGinty, Sahith Nallapareddy, & Joel Östlund In this post we’ll discuss how Spotify optimized and sped up elements from our largest Dataflow job, Wrapped 2019, for Wrapped 2020 using a technique called Sort Merge Bucket (SMB) join. We’ll present the design and implementation of SMB and how we incorporated it into our data pipelines. Introduction Shuffle is the core building block for many big data transforms, such as a join, GroupByKey, or other reduce operations. Unfortunately, it’s also one of the most expensive steps in many pipelines. Sort Merge Bucket is an optimization that reduces shuffle by doing work up front on the producer side. The intuition is that for datasets commonly and frequently joined on a known key, e.g., user events with user metadata on a user ID, we can write them in bucket files with records bucketed and sorted by that key. By knowing which files

Aramco bringt Google Cloud Services nach Saudi-Arabien

Aramco bringt Google Cloud Services nach Saudi-Arabien
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Google Cloud Nabs Former Cisco Security Leader Jeff Reed

Google Cloud Nabs Former Cisco Security Leader Jeff Reed Jeff Reed, Cisco’s former SVP and GM of cloud and network security for its security business, has jumped to Google. By Gina Narcisi December 21, 2020, 02:38 PM EST Google has a new vice president of product for its Anthos business: Jeff Reed. Reed, a tech executive with nearly two decades of experience, most recently served as senior vice president and general manager of cloud and network security for tech giant Cisco’s Security Business and before that, senior vice president of product for Cisco Security. Google Cloud confirmed Reed’s appointment to CRN on Monday.

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