Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/13654#discussion_r66930367
--- Diff: core/src/main/scala/org/apache/spark/ui/exec/ExecutorsPage.scala
---
@@ -53,6 +54,9 @@ private[ui] class ExecutorsPage(
// When GCTimePercent is edited change ToolTips.TASK_TIME to match
private val GCTimePercent = 0.1
+ // a safe String to Int for sorting ids (converts non-numeric Strings to
-1)
+ private def strToInt(str: String) : Int = Try(str.toInt).getOrElse(-1)
--- End diff --
This makes all non-numeric strings "equal" and their sort order arbitrary.
I think "driver" is probably the only non-numeric value in use and that's
unlikely to change, so this is probably OK.
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