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This deployment does not provide HA.<picture>

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In this deployment, EZ, CZ and DZ contain one node. They may be co-located on the same (virtual or physical) machine, or may be located on separate machines.

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In this deployment, EZ contains N = 2 or more nodes, all of which process data in an active-active configuration. HA is achieved by horizontal scaling. If a node fails, its load is taken over by a standby instance on another node.<picture>

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It protects against:

  • Single Component failure in EZ.

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