The default circuit breaker backend, built on the
:fuse library.
This is the breaker ExternalService has always used, and you get it without
configuring anything. It is node-local: each node counts its own failures
and opens its own breaker, which is usually what you want — a node with a bad
network path should stop calling the service without taking the rest of the
cluster down with it.
It is configured through the ordinary :circuit_breaker options (:tolerate,
:within, :reset, :fault_injection); see ExternalService.start/2.
Summary
Functions
Builds the :fuse strategy tuple for the given circuit breaker options.
Returns the number of failures the breaker tolerates before opening.
Functions
Builds the :fuse strategy tuple for the given circuit breaker options.
Exposed so that backends layered on top of this one (such as
ExternalService.CircuitBreaker.Cluster) can reuse it.
@spec tolerate(ExternalService.CircuitBreaker.config()) :: pos_integer() | :infinity
Returns the number of failures the breaker tolerates before opening.
Read back out of an installed breaker's config, so that a layered backend can work out how many melts it takes to trip this node's breaker.