Github user kayousterhout commented on a diff in the pull request:
https://github.com/apache/spark/pull/16813#discussion_r99962965
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/SchedulableBuilder.scala ---
@@ -69,60 +72,81 @@ private[spark] class FairSchedulableBuilder(val
rootPool: Pool, conf: SparkConf)
val DEFAULT_WEIGHT = 1
override def buildPools() {
- var is: Option[InputStream] = None
+ var fileData: Option[FileData] = None
try {
- is = Option {
- schedulerAllocFile.map { f =>
- new FileInputStream(f)
- }.getOrElse {
-
Utils.getSparkClassLoader.getResourceAsStream(DEFAULT_SCHEDULER_FILE)
- }
- }
-
- is.foreach { i => buildFairSchedulerPool(i) }
+ fileData = getFileData()
+ fileData.foreach { data => buildFairSchedulerPool(data) }
+ } catch {
+ case NonFatal(t) =>
+ logError("Error while building the fair scheduler pools: ", t)
+ throw t
} finally {
- is.foreach(_.close())
+ fileData.foreach(_.inputStream.close())
}
// finally create "default" pool
buildDefaultPool()
}
+ private def getFileData(): Option[FileData] = {
+ schedulerAllocFile.map { f =>
+ val file = new File(f)
+ val fis = new FileInputStream(file)
--- End diff --
Ah I see. It seems like the whole path might be useful for making it super
explicit which place the data is coming from though? e.g., because users often
have generically defined files, like config.xml, which might exist in multiple
locations.
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