Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/10225#discussion_r47096208
--- Diff:
core/src/main/scala/org/apache/spark/storage/DiskBlockManager.scala ---
@@ -80,6 +77,65 @@ private[spark] class DiskBlockManager(blockManager:
BlockManager, conf: SparkCon
new File(subDir, filename)
}
+ def getFileDefault(filename: String): File = {
+ _getFile(filename, localDirs)
+ }
+ var getFile = getFileDefault _
+
+ private val hierarchyStore =
conf.getOption("spark.storage.hierarchyStore")
+ if (hierarchyStore.isDefined) {
+ val HSLayers: Array[(String, Long)] =
+ hierarchyStore.get.trim.split(",").map {
+ s => val x = s.trim.split(" +")
+ (x(0), Utils.byteStringAsGb(x(1)))
+ }
+ val HSLayerDirs: Array[Array[File]] = HSLayers.map(
+ s => localDirs.filter(_.getPath().toLowerCase().containsSlice(s._1))
+ )
+ val lastLayer = localDirs.filter {
+ dir => var found = false
+ for(dirs <- HSLayerDirs if !found)
+ if (dirs.contains(dir)) found = true
+ !found
+ }
+ val (finalHSLayers, finalHSLayerDirs) = if (!lastLayer.isEmpty) {
+ (HSLayers :+ ("Backup Storage", 0.toLong), HSLayerDirs :+ lastLayer)
+ } else {
+ val len = HSLayers.length
+ (HSLayers.take(len-1) :+ (HSLayers(len-1)._1, -1.toLong),
HSLayerDirs)
+ }
+ for (i <- 0 until finalHSLayers.length) {
+ val s = finalHSLayers(i)
+ logInfo("Layer: %s, Threshold: %dGB".format(s._1, s._2))
+ finalHSLayerDirs(i).foreach {
+ x => logInfo("\t%s".format(x.getPath()))
+ }
+ }
+
+ def getFileHierarchy(filename: String): File = {
+ // serach existing file in each layer
--- End diff --
typo `search`, not `serach`
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