Description
Within Wehkamp we required a uniform way to provide reliable and on time data to the business, while making this access compliant with GDPR. Unlocking all the data sources that we have scattered across the company and democratize the data access was of the utmost importance, allowing us to empower the business with more, better and faster data. Focusing on open source technologies, we've built a data platform almost from the ground up that focuses on 3 levels of data curation - bronze, silver and gold - which follows the LakeHouse Architecture. The ingestion into bronze is where the PII fields are pseudonymized, making the use of the data within the delta lake compliant and, since there is no visible user data, it means everyone can use the entire delta lake for exploration and new use cases. Naturally, specific teams are allowed to see some user data that is necessary for their use cases. Besides the standard architecture, we've developed a library that allows us to ingest new data sources by adding a JSON config file with the characteristics. This combined with the ACID transactions that delta provides and the efficient Structured Stream provided through Auto Loader has allow…
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