Beta

Slash Spark Costs by 50%,
Run Workloads Faster

Scale down your Spark clusters, boost productivity—no PySpark code changes.


            
              $
              
                curl -LsSf https://declaredata.com/fuse/install.sh | sh

or Explore Playground

Faster, Cheaper Spark

Save thousands by slashing unnecessary compute and cluster overhead. Tailored for data workloads up to 5TB—no guesswork required.

0.0 s

DeclareData Fuse
FASTER
0.0 s

$

$

$

Spark Cluster
SLOWER

No Special Code or Infra

Works with your existing PySpark code—no special requirements. Get started in minutes with minimal learning curve and maximum impact. Check out usage examples in the playground.

Rapid Dev-to-Prod Cycle

Run Spark on your laptop just like production. Build and test locally then deploy with confidence! No waiting for cluster resources or dealing with unnecessary complexity and costs. Support for S3, GCS, and other data sources.

💻

Local

🚀