| Re: [microprofile-dev] Question about priority order of Fault Tolerance annotations. |
However I couldn't understand the priority between the above three
annotations(@Timeout, @Retry and @CircuitBreaker).
If@Retryis used with@CircuitBreaker, each retry attempt is processed by the circuit breaker and recorded as either a success or a failure. If aCircuitBreakerOpenExceptionis thrown, the execution may be retried, depending on how the@Retryis configured.
If @Timeout is used with @Retry, a TimeoutException may trigger a retry, depending on the values of retryOn and abortOn of the @Retry annotation. The timeout is restarted for each retry. If @Asynchronous is also used and the retry is the result of a TimeoutException, the retry starts after any delay period, even if the original attempt is still running.
If @Timeout is used with @CircuitBreaker, a TimeoutException may be counted as a failure by the circuit breaker and contribute towards opening the circuit, depending on the value of failOn on the @CircuitBreaker annotation.
Dear my all friends.
I would like to ask you one question about MicroProfile Fault Tolerance.
Now I'm creating the explanation by Japanese as follows.
https://dev.to/azure/microprofile-fault-tolerance-1a6g
In fact, there is some annotations for Fault Tolerance and it is useful.
According to the specification, "@Fallback" will be invoke after all of
the evaluation of other annotations like @Timeout, @Retry and
@CircuitBreaker.
However I couldn't understand the priority between the above three
annotations(@Timeout, @Retry and @CircuitBreaker).
Is there a priority of the above three annotations?
Or will it be evaluated individual by parallel?
If it is possible, could you let me know the specification of the
priority order between the three annotations?
Thank you so much & Best Regards.
Yoshio.
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