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From "Sandeep Singh (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-1469) Scheduler mode should accept lower-case definitions and have nicer error messages
Date Fri, 11 Apr 2014 03:20:14 GMT

     [ https://issues.apache.org/jira/browse/SPARK-1469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sandeep Singh reassigned SPARK-1469:
------------------------------------

    Assignee: Sandeep Singh

> Scheduler mode should accept lower-case definitions and have nicer error messages
> ---------------------------------------------------------------------------------
>
>                 Key: SPARK-1469
>                 URL: https://issues.apache.org/jira/browse/SPARK-1469
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>            Reporter: Patrick Wendell
>            Assignee: Sandeep Singh
>              Labels: starter
>             Fix For: 1.1.0
>
>
> I tried setting spark.scheduler.mode=fair and I got the following nasty exception:
> {code}
> java.util.NoSuchElementException: None.get
> 	at scala.None$.get(Option.scala:313)
> 	at scala.None$.get(Option.scala:311)
> 	at scala.Enumeration.withName(Enumeration.scala:132)
> 	at org.apache.spark.scheduler.TaskSchedulerImpl.<init>(TaskSchedulerImpl.scala:101)
> 	at org.apache.spark.SparkContext$.org$apache$spark$SparkContext$$createTaskScheduler(SparkContext.scala:1338)
> 	at org.apache.spark.SparkContext.<init>(SparkContext.scala:230)
> 	at org.apache.spark.repl.SparkILoop.createSparkContext(SparkILoop.scala:956)
> 	at $iwC$$iwC.<init>(<console>:8)
> 	at $iwC.<init>(<console>:14)
> 	at <init>(<console>:16)
> 	at .<init>(<console>:20)
> 	at .<clinit>(<console>)
> {code}
> We should do two improvements:
> 1. We should make the built in ones case insensitive (fair/FAIR, fifo/FIFO).
> 2. If an invalid mode is given we should print a better error message.



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