Big data. Real time.
The open big data serving engine: Store, search, rank and organize big data at user serving time.
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Features

Vespa's high-level features.

Architecture

The high level architecture of Vespa in a picture.

Vespa architecture diagram

Feature comparison matrix

It is not always easy to compare apples to oranges, but we will give it a try nonetheless.

Feature Vespa Elastic Search Relational Databases
ACID transactions •••
Optimized for analytics ••• ••
Optimized for serving ••• ••
Scalable ••• ••
Easy to operate at scale ••
Text search ••• ••
Machine learned ranking •••
Middleware logic container •••
Live reconfiguration •••