Advantages of data lakes
- Data lakes allow companies to immediately access all data.
- The data housed in a data lake is not limited to relational or transactional data.
- Data lakes avoid the need to transfer data.
- It also offers more possibilities of use to its users, freeing them from the limitations inherent to information technologies.
- Data lakes speed up development cycles by allowing business units to launch applications quickly.
- It completely helps with productionization and advanced analytics.
- It offers scalability and flexibility while maintaining cost efficiency.
- Deliver value from unlimited data types.
- Reduces long-term cost of ownership.
- Economical file storage solution.
- Easily adaptable to changes.
- The main advantage of a data lake is the ability to centralize different content sources.
- It facilitates flexible access to data for any user, regardless of their organizational or geographic location.
Disadvantages of data lakes
- Unknown area of data processing.
- Data governance.
- Manage the chaos.
- Privacy issues.
- Complexity of legacy data.
- Metadata lifecycle management.
- Desert islands of data.
- The problem of integration.
- The absence of structure in the data can lead to unmanageable and useless data, as well as disparate and complex tools.
- Increases storage and processing costs.
- There is no way to harness the value extracted from the data by others who have previously processed it, due to the absence of a lineage record of previous analyst findings.
- The biggest risk of data lakes lies in security and access control. Some data may be stored without any supervision, while others may be subject to regulatory and privacy requirements.