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spark.deploy.WebUI.scala Maven / Gradle / Ivy
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package spark.deploy
import java.text.SimpleDateFormat
import java.util.Date
/**
* Utilities used throughout the web UI.
*/
private[spark] object WebUI {
val DATE_FORMAT = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss")
def formatDate(date: Date): String = DATE_FORMAT.format(date)
def formatDate(timestamp: Long): String = DATE_FORMAT.format(new Date(timestamp))
def formatDuration(milliseconds: Long): String = {
val seconds = milliseconds.toDouble / 1000
if (seconds < 60) {
return "%.0f s".format(seconds)
}
val minutes = seconds / 60
if (minutes < 10) {
return "%.1f min".format(minutes)
} else if (minutes < 60) {
return "%.0f min".format(minutes)
}
val hours = minutes / 60
return "%.1f h".format(hours)
}
}