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Re:Simplify Service Dependencies with Nodes by avita1 on Saturday December 10, 2016 @07:13PM (#13148764)
The library they referenced (Finagle) does pretty much just that. A few things that leapt out at me:

- It's hard to figure out what the dependency graph looks like just from promises

- That pattern is verbose and results in gross types when you do it in Java

- With this library, you can easily profile parts of the algorithm to see what's going slow, what's taking a bunch of memory, etc.

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