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Product Name
CF
Publisher Page
CloudFoundry
Category
Cloud
Release
TKU 2020-Mar-1
More Information
Publisher Link
CloudFoundry

Product Description

Architecture

The Diego Database consists of two components:

  • BBS (Bulletin Board System)

    • Maintains a real-time representation of the state of the Diego cluster, including all desired LRPs, running LRP instances, and in-flight Tasks
    • Maintains a lock in Consul/Locket to ensure that only one BBS is active
    • Periodically compares DesiredLRPs and ActualLRPs and takes action to enforce the desired state
    • Resends auction requests for Tasks that have been pending for too long and completion callbacks for Tasks that have remained completed for too long
  • MySQL

    • MySQL provides a consistent key-value data store to Diego
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