Skip to main content

eBay Tech Blog

To support the world’s largest internet marketplace, eBay tackles technical challenges at a scale that few others have. With this blog, we share our experiences working on those challenges with the technical community.

0

Providing Metadata Discovery on Large-Volume Data Sets

By: Satbeer Lamba and Sudeep Kumar

Many big data systems collect petabytes of data on a daily basis. Such systems are often designed primarily to query raw data records for a given time range with multiple data filters. However, discovering or identifying unique attributes present in such large datasets can be difficult.

Featured Blog Posts

Browse eBay with Style and Speed
0
Announcing Kylin: Extreme OLAP Engine for Big Data
0
Statistical Anomaly Detection
0
Effective Front-End Code Review
0
0

Seven Tips for Visual Search at Scale

By: Fan Yang, M. Hadi Kiapour, Qiaosong Wang and Robinson Piramuthu

We present seven tips for visual search at scale, based on our KDD 2017 paper titled "Visual Search at eBay."

Most Commented

How We Built eBay's First Node.js Application
0
Cassandra Data Modeling Best Practices, Part 1
0
HDFS Storage Efficiency Using Tiered Storage
0
Rheos
0
0

Troubleshooting a Connection Timeout Issue with tcp_tw_recycle Enabled

By: Edward Lin and Huai Jiang

Availability and stability are very important for eBay's site, especially for those applications that take high traffic and are dependent on many other applications, such as CAL (our Centralized Application Logging framework). This blog shares an issue that happened recently that impacted the availability and stability of CAL, and how we found out the root cause using tcpdump and systemtap.

0

Working on the Engines While the Plane is Flying

By: Brian Davies and Thilak Thankappan

Operators of large scale networks will, from time to time, be required to perform major upgrades to the network while keeping the network available with no downtime. This type of work has been compared to working on the engines of an airliner while it is flying. At eBay, our Site Network Engineering team recently completed a migration of our data center aggregation layer from one platform to another under these conditions. By sharing our experience, we hope to help our peers in the industry plan for and successfully execute their own network transformations.

0

SRE Case Study: Mysterious Traffic Imbalance

By: Charles Li

As an architect of a large website, I spent over a decade of my life working on all kinds of troubleshooting cases. Many of those cases were quite challenging, similar to finding a suspect in a megacity, yet quite rewarding. I ended up with many Sherlock Holmes stories to tell. What I am sharing today is a troubleshooting case of mysterious traffic imbalance.

0

ModaNet: A Large-scale Street Fashion Dataset with Polygon Annotations

By: Fan Yang, M. Hadi Kiapour, Robinson Piramuthu and Shuai (Kyle) Zheng

Searching for an ideal dress or pair of shoes sometimes could be challenging, especially when you do not know the best keywords to describe what you are looking for. Luckily, the emerging smart mobile devices provide an efficient and convenient way to capture those products of interest in your photo album. The next natural thing is letting an ecommerce app like eBay figure it out for you.

0

Universal Finder: Moving Toward One Platform for All Finders

By: Kishore Kumar Mohan and Sachin Tilloo

Showing our buyers relevant inventory of what they want to shop for among eBay's vast billion plus inventory is always a priority. One of the avenues we use regularly for filtering is what call "Finders," which are shown in the Search and Browse experiences. This article explains our efforts of unifying our finders and moving them towards a universal finder platform.

Back to Top