Leader Elector

Grey Dane on one of Toronto's many beaches

In a set of instances that run identical code, elect a temporary leader to execute short-lived management functions.

For High Availability and Scale, applications and services may run on several instances of containers, VMs or service hosts. Yet, some functions are best executed by a single instance for a given time period.

Call the Elector.EnsureIsLeaderAsync method to acertain if a particular instance has been successfully designated as 'Leader' for a given time period.

This implementation uses the Lease mechanism provided by Azure Storage Blob Service.

See a description of the Leader Election pattern https://docs.microsoft.com/en-us/azure/architecture/patterns/leader-election

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