For each step in the Transformation, the Step Metrics tab shows several status and information columns. For now, the most relevant columns in this tab are:
| Column | Value |
|
Read |
Number of rows coming from previous steps |
|
Written |
Number of rows leaving this step toward the next |
|
Input |
Number of rows read from a file or table |
|
Output |
Number of rows written to a file or table |
|
Errors |
Number of errors in the execution; if there are errors, the whole row will become red |
|
Active |
Current status of the execution |
To better understand the content of the Read and Written columns, let's explain them with an example. As said in the previous chapter, data flows from one step to other (or others). ...
