shuwang21 commented on code in PR #42357:
URL: https://github.com/apache/spark/pull/42357#discussion_r1292892702
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resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala:
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@@ -485,7 +534,12 @@ private[spark] class Client(
val localResources = HashMap[String, LocalResource]()
FileSystem.mkdirs(fs, destDir, new FsPermission(STAGING_DIR_PERMISSION))
- val statCache: Map[URI, FileStatus] = HashMap[URI, FileStatus]()
+ // If preload is enabled, preload the statCache with the files in the
directories
+ val statCache = if (statCachePreloadEnabled) {
+ getPreloadedStatCache()
+ } else {
+ HashMap[URI, FileStatus]()
Review Comment:
Based on the original code `val statCache: Map[URI, FileStatus] =
HashMap[URI, FileStatus]()`
Maybe just keep the current one.
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