The "Metric" rule is a kind of Pipeline Check used to ensure data pipelines are working correctly. It focuses on verifying data quantities, checking data quality and performance, and keeping track of data timeliness in processing workflows. By doing so, it improves the flow, quality, and efficiency of data.
In simple terms, the Metric rule checks if the total amount of data falls within an expected range. For example, it might ensure that the sum of open order quantities is between 75 million and 100 million units. This rule is essential for maintaining accurate and efficient data processing.
For further information about the rule detail page including scope, threshold, notifications, etc., please see the detailed article Rule Detail page.
Detailed Steps:
Step 1: Log in to DvSum and proceed to the Data Dictionary tab and select the relevant Data source and Table Name.
Step 2: Select the table name then select the Data Quality tab and choose Available Rules.
Step 3: Select the "⊕ Add Rule" button, then choose the "Pipeline Checks" category. From the list of options, click on "Metric"
Step 4: Basic Input
In the Rule Wizard's Basic Input section, you need to fill in the Rule Description, Metric Column, and Metric Type corresponding to the table in which you want to search if the aggregated quantity is within the expected range.
Step 5: Validate
After saving the rule, you'll see its definition. Click "Run" to execute and test the rule.
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