I am integrating Hystrix in an application. That application is already in production and we will be testing out hystrix integration work in sandbox before we will push it to production. My question is that is there any way to turn on/off hystrix functionality using some configuration setting?
If you want, you can disable Hystrix as a whole by adding hystrix. enabled = false to your application.
Hystrix Status. Hystrix is no longer in active development, and is currently in maintenance mode. Hystrix (at version 1.5. 18) is stable enough to meet the needs of Netflix for our existing applications.
Akka, Envoy, Istio, Zuul, and Polly are the most popular alternatives and competitors to Hystrix.
It makes more sense for the service to back off and give calls to the callee service after some time or share default response. Netflix Hystrix, Resilince4j are two well-known circuit breakers which are used to handle such situations.
There is no single setting for this. You'll need to set multiple parameters to disable Hystrix.
See https://github.com/Netflix/Hystrix/wiki/Configuration for the configuration options:
hystrix.command.default.execution.isolation.strategy=SEMAPHORE
hystrix.command.default.execution.isolation.semaphore.maxConcurrentRequests=100000 # basically 'unlimited'
hystrix.command.default.execution.timeout.enabled=false
hystrix.command.default.circuitBreaker.enabled=false
hystrix.command.default.fallback.enabled=false
Please double check your version of Hystrix for the available parameters.
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