Github user CodingCat commented on the pull request:
https://github.com/apache/spark/pull/1106#issuecomment-46391510
yes, potentially...
and considering the long-term running of the cluster, eventually, the load
is well balanced with the current strategy.....i.e. this commit only
contributes to the case that the user submits a lot of drivers in a single
batch and then waits for the result...
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