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From "Masayoshi TSUZUKI (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-2458) Make failed application log visible on History Server
Date Tue, 15 Jul 2014 01:52:04 GMT

    [ https://issues.apache.org/jira/browse/SPARK-2458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14061536#comment-14061536
] 

Masayoshi TSUZUKI commented on SPARK-2458:
------------------------------------------

History server uses FsHistoryProvider as ApplicationHistoryProvider by default.
{code:title=HistoryServer.scala|borderStyle=solid}
    val providerName = conf.getOption("spark.history.provider")
      .getOrElse(classOf[FsHistoryProvider].getName())
    val provider = Class.forName(providerName)
      .getConstructor(classOf[SparkConf])
      .newInstance(conf)
      .asInstanceOf[ApplicationHistoryProvider]
{code}

While FsHistoryServer continuously check for new log directories, it filters out the directory
which doesn't contain APPLICATION_COMPLETE file.
{code:title=FsHistoryProvider.scala|borderStyle=solid}
      val logInfos = logDirs.filter {
        dir => fs.isFile(new Path(dir.getPath(), EventLoggingListener.APPLICATION_COMPLETE))
      }
{code}


> Make failed application log visible on History Server
> -----------------------------------------------------
>
>                 Key: SPARK-2458
>                 URL: https://issues.apache.org/jira/browse/SPARK-2458
>             Project: Spark
>          Issue Type: Improvement
>          Components: Web UI
>    Affects Versions: 1.0.0
>            Reporter: Masayoshi TSUZUKI
>
> History server is very helpful for debugging application correctness & performance
after the application finished. However, when the application failed, the link is not listed
on the hisotry server UI and history can't be viewed.
> It would be very useful if we can check the history of failed application.



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