Category: Engineering

Background It might sound paradoxical to deliberately break something we’re trying to fix, but sometimes, that’s the most efficient method to do it. Fault injection is the process by which we deliberately introduce faults into the system. We can observe the system behavior with the injected faults to identify the weakness of the system. Within […]

H3’s global grid indexing system is driving new patterns for spatial analytics across a variety of geospatial use-cases. Recently, Databricks added built-in support for H3 expressions to give customers the most performant H3 API available, powered by Photon and ready to tackle these use-cases at any scale. In this blog, you will learn that when […]

At Databricks, we run our compute infrastructure on AWS, Azure, and GCP. We orchestrate containerized services using Kubernetes clusters. We develop and manage our own OS images that bootstrap cloud VMs into Kubernetes nodes. These OS images include critical components for Kubernetes, such as the kubelet, container runtime, and kube-proxy, etc. They also contain OS-level […]

Editor’s note: In December 2021, we made the source code available to the community at github.com/ebay/block-aggregator under Apache License 2.0. In a real-time data injection pipeline for analytical processing, efficient and fast data loading to a columnar database — such as ClickHouse[1] — favors large blocks over individual rows. Therefore, applications often rely on some buffering mechanism, […]

At eBay, we’re constantly improving our advertising tools for sellers. Promoted Listings (PL) creates powerful opportunities for sellers to put their items in front of more buyers, increasing visibility of their inventory across the global eBay marketplace. The latest enhancement in eBay’s advertising portfolio is the improved Advertising dashboard, which combines a technological upgrade with […]

Shipping speed and cost are key factors influencing buyers’ purchasing decisions. A transparent and easily understandable shipping signal is a strong conversion driver that makes shopping easier for buyers, improves sales velocity for sellers and builds trust in the marketplace.  Over the past decade, eBay’s Fast ’N Free shipping indicator has been worn as a […]

eBay is where the world goes to shop, sell and give, from securing great deals to discovering unique finds. With 20 million active sellers hosting 1.7 billion live listings, application program interfaces, or APIs, are crucial to the success of our marketplace. Whether by surfacing targeted inventory, streamlining payments and shipping, or even enabling shoppers […]

For nearly two decades, eBay has been offering APIs that support a vast network of buyers and sellers. They’re part of the magic of eBay, and they are how we connect people in our global marketplace. eBay’s Buy APIs are some of the most powerful tools in our API portfolio. They substantially increase the inventory […]

​​eBay’s coded coupons tool is one of the newest products available for sellers to drive buyers to come back and purchase more items from their store. The tool allows more flexibility and control in offering discounts to prospective buyers, both on and off our marketplace.  With this new feature, sellers can create their own, custom […]

As large-scale distributed microservice systems continue to power more of today’s businesses, it has become even more important to detect any anomalies in these systems and efficiently diagnose their root causes to ensure high system availability.  To diagnose any root causes, existing approaches have usually consisted of capturing information about the state of the system […]