Sawmill
A Java library for enriching, transforming, and filtering JSON documents using configurable pipelines.
What is Sawmill?
Sawmill is a JSON transformation library for Java that enables developers to enrich, transform, and filter JSON documents using configurable pipelines. It solves the problem of complex data preprocessing by providing a declarative way to apply operations like grok parsing, GeoIP lookups, and field manipulations. The library allows transformations to be defined dynamically through configuration files or builders, reducing code complexity.
Java developers working on data processing applications, log ingestion systems, or ETL pipelines that require flexible JSON document manipulation.
Developers choose Sawmill for its simple DSL and pipeline-based approach, which allows dynamic, configuration-driven transformations without code changes, making it easier to maintain and adapt data processing logic.
Overview
Sawmill is a JSON transformation Java library
Use Cases
Best For
- Enriching JSON logs with GeoIP and user-agent data
- Parsing and transforming unstructured log data using grok patterns
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