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Event time skew and global watermark in Apache Spark Structured Streaming

Waitingforcode

A few months ago I wrote a blog post about event skew and how dangerous it is for a stateful streaming job. Now the watermark topic is back to my learning backlog and it's a good opportunity to return to the event skew topic and see the dangers it brings for Structured Streaming stateful jobs.

IT 130
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They Handle 500B Events Daily. Here’s Their Data Engineering Architecture.

Monte Carlo

While not every company needs to process millions of events per second, understanding these advanced architectures helps us make better decisions about our own data infrastructure, whether we’re handling user recommendations, ride-sharing logistics, or simply figuring out which meeting rooms are actually being used.

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Trends and Takeaways from Banking and Payments’ Event of the Year

Snowflake

Many folks were intrigued by how these benefits also translate into the customer experience; a best-in-breed tech stack that enables zero-copy data access to a customer engagement solution enables marketers to streamline marketing workflows and independently create segmentation or event-triggered experiences — all in a way that’s efficient, scalable (..)

Banking 98
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From Event-Driven Chaos to a Blazingly Fast Serving API

Zalando Engineering

At Zalando, our event-driven architecture for Price and Stock updates became a bottleneck, introducing delays and scaling challenges. Once complete, each product was materialised as an event, requiring teams to consume the event stream to serve product data via their own APIs. Where do I get it?"had

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You’re Invited: Innovate Through Data Virtual Summit

Speaker: Logi Analytics

Join us on October 19th & 20th for Logi Spark 2021, the premier event dedicated to helping application teams create engaging state-of-the-art analytics. At this free virtual event, your team will learn practical tips from the pros to help turn your product roadmap into a reality and generate value for your end users.

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Speakers for Amsterdam / Netherlands Tech Events

The Pragmatic Engineer

I (Gergely) sometimes get reachouts to do talks at events in Amsterdam (where I am based,) the Netherlands, or somewhere in Europe. Talks about domain-driven design, event storming, domain storytelling, software architecture, continuous deployments and tech leadership. See his past talks. Maciej Jedrzejewski (Switzerland.)

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8 Takeaways from Snowflake’s Accelerate Events for Retail, CPG and Media

Snowflake

At Snowflakes most recent virtual events for industries, Accelerate Retail & Consumer Goods , in partnership with Microsoft, and Accelerate Advertising, Media & Entertainment , attendees heard how industry leaders are accelerating innovation, business insights, customer experience and more with robust enterprise AI and data strategies.

Media 59
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Beyond the Basics of A/B Tests: Highly Innovative Experimentation Tactics You Need to Know

Speaker: Timothy Chan, PhD., Head of Data Science

Timothy Chan will explore: A/B testing best practices to ensure your experiments yield reliable results 📊 Limitations of traditional A/B testing and state-of-art solutions commonly used to address them 🔑 Advanced techniques to take experimentation to the next level 🚀 You won't want to miss this event!