May 2017
Beginner to intermediate
596 pages
15h 2m
English
Content preview from Data Lake for Enterprises
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Eventual consistency
Eventual consistency is a consistency model used in distributed computing to achieve high availability that informally guarantees that if no new updates are made to a given data item, eventually all accesses to that item will return the last updated value.
- Wikipedia
In the previous section, you would have clearly got the notion behind the guarantees, namely consistency versus availability.
Its expected that data in a distributed system will become eventually consistent but always available. For a Data Lake, the availability guarantee is more important than consistency, but it purely depends on the use case. We cannot show/use bad data to the end user as this would have a huge impact on the company's brand. So, use cases ...
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