Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/15249#discussion_r82229032
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala ---
@@ -243,8 +243,8 @@ private[spark] class TaskSchedulerImpl(
}
}
manager.parent.removeSchedulable(manager)
- logInfo("Removed TaskSet %s, whose tasks have all completed, from pool
%s"
- .format(manager.taskSet.id, manager.parent.name))
+ logInfo(s"Removed TaskSet ${manager.taskSet.id}, whose tasks have all
completed, from pool" +
+ s" ${manager.parent.name}")
--- End diff --
I dont' think there was ever an official discussion, just seemed like there
was a gradual switch till it became the norm. I think the motivation was
readabillity, not performance.
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