Data Lake Knowledge Center
Data Ingestion
Always save a copy of raw data
When you do data ingestion, you want to save the raw data for the following reasons
- Your ingestion pipeline may have bugs, saving raw data allows you to fix bugs and re-populate the data
- Raw data may not meed the data quality and you may ignore it, in case you ignore it, keep the raw data allows you to check what kind of data quality problem they are, and sometimes you can inform the data producer to have it fixed.
