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Fenster schliessen

Which parts does the CAP theorem consist of?




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What does consistency (CAP Theorem) mean?

every node has the same consistent state

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What does availability (CAP Theorem) mean?

Every non-failing node always returns a response

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What does partition-tolerance (CAP Theorem) mean?

The system continues to be consistent even when network paritions

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What is vertical scaling?

More hardware in the same machine

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What does horizontal scaling mean?

multiple machines

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What are the advantages of vertical scaling?

- lower cost at small scale

- no adaption of software required

- less administrative effort

- less power consumption

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What are disadvantages of vertical scaling?

- risk of HW failure causing outage / more difficult to add fault tolerance

- HW limits for scaling / limited by moores law