Moving a Jupyter Notebook from exploratory data analysis (EDA) to a production-grade automated pipeline requires more than just scheduling a script. It involves ensuring reliability, scalability, and auditability. In the Syntasa platform, the Notebook Process node is the bridge that transforms your development code into a robust production asset.
This guide outlines the end-to-end workflow for productionizing a notebook within a Syntasa App.
Phase 1: Preparing the Notebook for Production
Before adding your notebook to an App, ensure the code is structured for automation.
Implement Parameterization
Production runs often require dynamic inputs (e.g., processing a specific date).
- Action: Tag your first variable cell with
parameters. - Why: This allows the App workflow to inject values like
{{process_date}}or{{batch_id}}at runtime without manual code changes.
Use Relative Paths
Hardcoded paths to your personal home directory will fail in production.
- Action: Use relative paths (e.g.,
./data/config.json) or Syntasa environment variables for data locations. - Why: This ensures the notebook can find its supporting files regardless of which compute node it executes on.
Ensure Idempotency
A production process should be “idempotent”—meaning if it runs twice with the same parameters, the result is the same and doesn’t create duplicate data.
- Action: Use “Overwrite” modes when saving data or check for existing records before inserting.
Phase 2: Integrating into the App workflow
Once the notebook is ready, it must be integrated into the App’s orchestration logic.
Linking the Workspace
In the App workflow, drag a Notebook Process node onto the canvas and link it to your development Workspace.
- The “Refresh” Step: Always click Refresh after making changes in JupyterLab. This ensures the App workflow has the latest version of your code and its parameter definitions.
Mapping Runtime Variables
Map your notebook parameters to the App’s context.
- Example: Map a notebook variable
input_tableto the output of an upstream Crawler or Event Store node. This creates a data-driven dependency.
Selecting the Right Runtime
Production notebooks often handle larger datasets than development notebooks.
- Action: Select a Compute Profile that provides sufficient CPU and Memory. If using PySpark, configure the Spark Driver and Executor memory to prevent “Out of Memory” (OOM) errors.
Phase 3: Orchestration and Scheduling
A production notebook is only as good as its timing and dependencies.
Defining Dependencies
Connect the Notebook Process to upstream nodes.
- Logic: The notebook will only trigger once the upstream data is successfully validated and ready. This prevents the notebook from running on incomplete or missing data.
Setting the Schedule
Navigate to App's Job Configure Settings to define the execution frequency (e.g., Daily at 02:00 UTC).
- Event-Based Triggers: Alternatively, set the App to trigger as soon as new data arrives in your cloud storage (S3/GCS).
Phase 4: Monitoring and Auditability
In production, you need to know if it failed and why it failed.
Console Logs
During execution, use the App Monitor to view real-time logs. Syntasa captures all stdout and stderr output, allowing you to see print statements and library logs as they happen.
Executed Notebook Snapshots
This is the most critical feature for production debugging.
- The Snapshot: For every run, Syntasa saves an “Executed” version of the notebook.
- The Value: If a model produces unexpected results, you can open the snapshot to see the exact charts, dataframes, and error messages generated during that specific run.
Production Checklist
| Category | Requirement |
|---|---|
| Code | parameters cell is tagged and variables are initialized. |
| Files | All supporting .py or .json files are in the /shared folder. |
| Resources | Compute profile is sized for production data volumes. |
| Data | Output datasets are defined so downstream nodes can consume the results. |
| Alerts | App notifications are configured to alert the team on failure. |
Summary
Productionizing a notebook in Syntasa moves the logic out of a “sandbox” and into a controlled environment. By utilizing Parameterization, Compute Profiles, and Executed Snapshots, you ensure that your data science models are not just code, but reliable components of your enterprise data pipeline