Data model

Storage structure

  • Storage structure is as the following:

    • Service layer

    • Cluster layer

    • Info entries as KV

Value entry in "Key, Value" pair

  • Value contains the location of the server

  • And it could also contains the grouping of server. For example, VIP clients should only be directed towards VIP servers.

Zookeeper example

  • How many nodes are online.

  • How many nodes are operating correctly.

  • What are the resource (CPU, memory, disk) usage states for these online nodes.

  • If resource usage exceed the threshold, receive an alert.

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