The following are the common patterns used for HystrixCommand and HystrixObservableCommand:
Patterns used by Hystrix
Fail-fast
As per application designing, when the failure or condition to fail happens, it is immediately reported to the system. Fail-fast systems are designed so that the normal operation will stop instead of continuing. The system is designed in such a way that often checks, at several points will be done, to detect any failures. A fail-fast module doesn't handle the error; rather, it passes the responsibility to the next level of the system.
The very simple thing that as a developer we can do is to implement fail-fast, in our Hystrix system and not to provide any fallback mechanism. Yes! Don't override...