Tech Blog Archive

Distributed Systems in Engineering
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NuRaft: a Lightweight C++ Raft Core

We are excited to announce the public release of NuRaft, a lightweight C++ Raft core, under the Apache 2.0 open source license. NuRaft is based on the cornerstone C++ Raft implementation, but with various additions and changes, and is the result of over two years of development and testing for production use within eBay for storage server data replication. This post discusses what NuRaft is, and how it can be used.

By: Gene Zhang and Jung-Sang Ahn
OSS in Engineering
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Akutan: A Distributed Knowledge Graph Store

We're excited to announce the public release of Akutan, a distributed knowledge graph store, under the Apache 2.0 open source license. Akutan is the result of four person-years of exploration and engineering effort, so there's a lot to unpack here! This post will discuss what Akutan is, how it's implemented, and why we've chosen to release it as open source.

By: Diego Ongaro and Simon Fell
Developer Tools in Engineering
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eBay OAuth Client Library

To make integrations with eBay RESTful APIs easier, eBay provides client libraries in C# and Java to make it simpler to set up authorization and reduce the amount of code application developers have to write to get OAuth Access Tokens.

By: Sandeep Dhiman
Developer Tools in Engineering
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Announcing the Accelerator

The Expertmaker Accelerator is a well-proven data processing framework that provides fast data access, parallel execution, and automatic organization of source code, input data, and results. It can be used for daily data analysis tasks as well as operating as a live recommendation system with hundreds of thousands of large data files and many CPUs. The Accelerator is now released as open source by eBay.

By: Anders Berkeman, Carl Drougge and Sofia Hörberg
JavaScript in Engineering
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The Future of Marko

At eBay, we’ve completely transformed how we build web applications, starting with the transition from a Java-based stack to a Node.js-based stack. Node.js has enabled teams to move faster, and it offers an abundant ecosystem of tools and libraries that are essential to modern web application development.

By: Patrick Steele-Idem
Cloud in Engineering
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Beats @ eBay - Collectbeat - A Journey where Company and Community Come Together

In early 2016, the Monitoring Special Interest Group (SIG) ventured into solving the problem of logs and metrics shipping from Tess.io (eBay’s Kubernetes ecosystem).

By: Vijay Samuel
Developer Tools in Engineering
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Introducing Regressr - An Open Source Command Line Tool to Regression Test HTTP Services

In the Artificial Intelligence-Human Language Technologies team at eBay, we work on software that powers eBay’s conversational bot, ShopBot.

By: Ashwanth Fernando
Cloud in Engineering
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Ready-to-use Virtual-machine Pool Store via warm-cache

Conventional on-demand Virtual Machine (VM) provisioning methods on a cloud platform can be time-consuming and error-prone, especially when we need to provision VMs in large numbers quickly.

By: Sudeep Kumar
Data Infrastructure and Services in Engineering
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Griffin — Model-driven Data Quality Service on the Cloud for Both Real-time and Batch Data

At eBay, when people use big data (Hadoop or other streaming systems), measurement of data quality is a significant challenge.

By: Alex Lv
Coding Practices in Engineering
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eBay Releases Dynamic Application Security Testing Proxy as Open Source

In an effort to contribute to the open-source community for security, Global Information Security (GIS) at eBay released its DAST Proxy as open-source software.

By: Srinivasa Rao Chirathanagandla