How to combine multiple RxJava chains non-blocking in error case

Question

My requirements:

• N Retrofit calls in parallel
• Wait for all calls to finish (success or failure)
• If k (0<= k < N) calls fail, they sho

Answer 1

You can use Observable.mergeDelayError(api1Call, api2Call, api3Call).

Bonus: You can also specify how many maximum parallels calls can be run at the same time. For example:

Observable .mergeDelayError(Observable.from(api1Call, api2Call, api3Call), 5).