Github user umehrot2 commented on a diff in the pull request:
https://github.com/apache/spark/pull/18711#discussion_r130201065
--- Diff: core/src/main/scala/org/apache/spark/deploy/master/Master.scala
---
@@ -580,7 +580,13 @@ private[deploy] class Master(
* The number of cores assigned to each executor is configurable. When
this is explicitly set,
* multiple executors from the same application may be launched on the
same worker if the worker
* has enough cores and memory. Otherwise, each executor grabs all the
cores available on the
- * worker by default, in which case only one executor may be launched on
each worker.
+ * worker by default, in which case only one executor may be launched on
each worker during one
--- End diff --
Shouldn't this line be:
worker by default, in which case only one executor per application may be
launched on each worker during one
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