sashidhar commented on issue #7390: RPC building block: future hook for repetitive queries URL: https://github.com/apache/incubator-druid/issues/7390#issuecomment-508947803 @leventov , @gianm , I believe request caching https://github.com/Netflix/Hystrix/wiki/How-it-Works#RequestCaching can be helpful in solving this. On a different note, we should consider using Hystrix library which helps control interactions between distributed services by adding latency tolerance and fault tolerance logic improving overall system resiliency. https://github.com/Netflix/Hystrix/wiki Hystrix provides a number of patterns to improve system resiliency - Sync/Async executions, Command groups/thread pools, Request collapsing/caching etc etc. https://github.com/Netflix/Hystrix/wiki/How-To-Use https://github.com/Netflix/Hystrix/wiki/How-it-Works
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