Github user vanzin commented on the issue:
https://github.com/apache/spark/pull/19048
Well, that's adding an API that does the same thing as existing APIs but a
little bit differently. In my view that adds to the problem, instead of fixing
it. Now every caller into the `ExecutorAllocationClient` has its own version of
the API that does things the exact way they want.
For example: the `replace` argument of the existing API is pretty much the
functionality you want. The EAM can call `requestTotalExecutors` right before
it calls `killExecutors(replace = true)` and achieve what it wants. It's just
awkwardly named in this context.
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