Deployment Models
Understand the three deployment models Granica supports and what data flows out of your cloud environment in each.
Granica supports three deployment models. This page describes each model and what data, if any, crosses your cloud boundaries — helping your InfoSec team understand the design and accelerate approvals.
Model 1 — Granica Hosted
In the Granica Hosted model, Granica manages the platform infrastructure on your behalf. Customers' data objects and catalog metadata flow in and out of the customer's cloud as part of normal Crunch operations.
Data that leaves your cloud: table data and catalog metadata.

Model 2 — On-Premises
In the On-Prem model, the Granica platform runs entirely within your cloud environment. No actual table data ever leaves your cloud.
2A — With Tunnel
Data that flows out of your cloud boundaries consists only of HTML content representing the Granica Console — a web application used by customers and Granica employees to discover, onboard, and monitor table maintenance activities. This content includes:
- Aggregated reports and metrics (e.g. total bytes crunched, average data reduction rates)
- Table names and metadata (e.g. timestamps, column names, table types)
- Policies applied to tables
- Activity and stats (e.g. when a partition was crunched, duration, rows processed)
- System and user configurations
Actual table data does not leave your cloud.

2B — Without Tunnel
No payload crosses your cloud boundaries.
Actual table data does not leave your cloud.
Model 3 — Hybrid
Data that flows out of your cloud includes Spark job progress (e.g. numCompletedTasks), job status (e.g. RUNNING), failures (e.g. OutOfMemoryError), and performance metrics.
Actual table data does not leave your cloud.

Comparison
| Pros | Cons | |
|---|---|---|
| Granica Hosted | Minimal permissions required (data/catalog read/write only); no infrastructure bandwidth needed from customer; Crunch compute cost borne by Granica | Data travels outside the customer environment, which may require InfoSec review |
| On-Premises | No data leaves the customer cloud — not even logs or metrics | Requires customer infrastructure deployment and ongoing maintenance |
| Hybrid | No actual table data leaves the customer cloud; only metadata and metrics are shared | — |
Start a Crunch pilot
Experience the savings potential of Crunch using a sample of your data.
AWS
Set up and deploy a Granica Admin Server on AWS using Terraform.