Why might company consider using Azure Data Lake Store over Azure Blob Storage? There are several options for data storage in Azure, each with a specific goal. In particular Data Lake Store is design specifically for Azure Data Lake Analytics. While Blob Storage can also be used it is recommended to use Lake Store instead.
Beside these two options have different technical capacities they are also treated by Data Lake Analytics engine differently. Jobs plans and execution time are very not the same:
Undoubtedly Data Lake Store is designed with optimisations for Data Lake Analytics and performance gain justifies the cost.