William Brafford 5b718d2565
Use snake case for nodes stats/info metric names (#53446) (#53535)
* Use snake case for nodes stats/info metric names (#53446)

The REST API uses "thread_pool" as the name of the thread pool metric.
If we use this name internally when we serialize nodes stats and info
requests, we won't need to do any fancy logic to check for and switch
out "threadPool", which was the previous internal name.
2020-03-13 07:49:14 -04:00
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