Kimahriman commented on a change in pull request #35085:
URL: https://github.com/apache/spark/pull/35085#discussion_r789251121
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File path: core/src/main/scala/org/apache/spark/util/Utils.scala
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@@ -2742,6 +2743,16 @@ private[spark] object Utils extends Logging {
new File(path.getAbsolutePath + "." + UUID.randomUUID())
}
+ /**
+ * Creates a file with group write permission.
+ */
+ def createFileAsGroupWritable(file: File): Unit = {
+ val perms = PosixFilePermissions.fromString("rw-rw----")
+ val path = file.toPath
+ Files.createFile(path)
+ Files.setPosixFilePermissions(path, perms)
Review comment:
Right right the shuffle service isn't affected by the 0027 umask so it's
files are world readable, that makes sense.
Doesn't help with this use case though ðŸ˜
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