Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/3670#discussion_r23723648
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -555,17 +584,42 @@ private[spark] object Utils extends Logging {
uc.setReadTimeout(timeout)
uc.connect()
val in = uc.getInputStream()
- downloadFile(url, in, tempFile, targetFile, fileOverwrite)
+ downloadFile(url, in, targetFile, fileOverwrite)
case "file" =>
// In the case of a local file, copy the local file to the target
directory.
// Note the difference between uri vs url.
val sourceFile = if (uri.isAbsolute) new File(uri) else new
File(url)
copyFile(url, sourceFile, targetFile, fileOverwrite)
case _ =>
- // Use the Hadoop filesystem library, which supports file://,
hdfs://, s3://, and others
val fs = getHadoopFileSystem(uri, hadoopConf)
- val in = fs.open(new Path(uri))
- downloadFile(url, in, tempFile, targetFile, fileOverwrite)
+ val path = new Path(uri)
+ fetchHcfsFile(path, new File(targetDir, path.getName), fs, conf,
securityMgr, hadoopConf,
+ fileOverwrite)
+ }
+ }
+
+ /**
+ * Fetch a file or directory from a Hadoop-compatible filesystem.
+ */
+ private def fetchHcfsFile(
+ path: Path,
+ targetDir: File,
+ fs: FileSystem,
+ conf: SparkConf,
+ securityMgr: SecurityManager,
--- End diff --
`securityMgr` isn't really used in this method?
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