Tech Blog Archive

Data Infrastructure and Services in Engineering

Block Aggregator: Real-time Data Ingestion from Kafka to ClickHouse with Deterministic Retries

Learn about the message-processing engine eBay developed to avoid data loss or duplication during delivery from Kafka to ClickHouse.

By: Mohammad Roohitavaf and Jun Li
Hadoop in Engineering

Optimizing Analytics Data Processing on eBay’s New Open-Source-Based Platform

See how eBay adopted a five-level tuning strategy for an in-house analytics tool to exceed a legacy vendor’s performance.

By: Rongguan Fu, Tianyou Li and Naveen Dhanpal
Hadoop in Engineering

Unpacking eBay’s New SQL Authoring Tool for Data Creation and Management

Discover how eBay built a tool for data modeling, ETL and SQL editing to enhance our analytics platform.

By: Stanley Chen, Gavin Zhu and Valerie Steinbrugge
Hadoop in Engineering

Explore eBay’s New Optimized Spark SQL Engine for Interactive Analysis

See how eBay created an optimized SQL solution to enhance speed, stability and scalability in service of a new open-source-based analytics platform.

By: Gang Ma, Lisa Li and Naveen Dhanpal
Developer Tools in Engineering

AsyncAPI 2.0: Enabling the Event-Driven World

Learn about how eBay is standardizing on and publishing AsyncAPI Specification 2.0-based contracts for event notifications.

By: Shekhar Banerjee
Hadoop in Engineering

From Vendor to In-house: How eBay Reimagined Its Analytics Landscape

Learn how eBay transitioned its analytics data platform from a vendor-based data warehouse to an open-source-based solution built by the team.

By: Medha Samant and Valerie Steinbrugge
User Experience in Product

New Sellers: Getting Started on eBay is Now Even Easier

eBay’s new seller registration process enables anyone to start selling on our modern marketplace with all the necessary tools to reach customers around the world.

By: Anand Ramasubramanian and Shikha Khanna
Advertising in Product

Introducing eBay's Automated Promoted Listings Campaigns

Sellers can now use rule-based technologies to both automate how they promote new listings and adjust their ad rates to stay competitive.

By: Courtney Mayeda
Developer Tools in Engineering

eBay Launches Targeted Auto Retry

eBay’s open source Swift package provides powerful resilience against flaky test steps.

By: Evan Pierce