Github user andrewor14 commented on the pull request:
https://github.com/apache/spark/pull/6430#issuecomment-106594453
Hm, that seems to be so. I'm wondering if there's a better way to simplify
the cases so we don't have nested ifs. Previously it looks like this:
```
if (needed < target) {
// cancel
} else if (need more executors) {
// add
}
```
Now we add some new initialization logic in the cancel case. What if we
express it like:
```
if (initializing && numExecutors != initialExecutors) {
// resync with cluster manager
} else if ... // as before
```
It's fairly minor but I think it's simpler to reason about.
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