Configuring a Data Source
After creating a Data Source, you can optionally configure advanced settings to tailor its behavior.
Configure advanced parameter attributes such as ID, Filters, Segmentation, and Scan Type.
Set the scan schedule according to your requirements.
To access these options, click the 3-dot icon next to the Data Source name:
Advanced Parameters
Click Edit Connection in the context menu
Navigate to the Advanced tab to begin configuration.
Filter Attribute
Use this option to monitor only a subset of data that meets specific criteria. Provide the Filter Attribute Name and a list of values. Telmai will analyze only the records whose attribute values match those in the list.
Segmentation Attribute
Monitor data from different segments independently by specifying a Segmentation Attribute. You can list values to define segments. For example, setting segmentation based on Address.State might define segments for CA, TX, and others. Telmai will profile data, calculate metrics, and detect anomalies for each segment as well as for the entire dataset.
Id Attribute
The ID Attribute is optional but provides additional insights, including:
Tracking the uniqueness of records based on IDs.
Displaying record IDs for every anomalous value.
Splitting good records from bad ones using the Data Binning feature.
Timestamp Attribute
The Timestamp Attribute is also optional but can be valuable for:
Determining record-level freshness (e.g., percentage of outdated records).
Identifying newly added records, enabling Delta-only scans.
When the Timestamp Attribute is provided and the Delta Only checkbox is checked, Telmai will fetch and scan only new records. Note that for some sources, like files or Databricks Delta, Delta detection occurs natively and does not require this attribute.
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