Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/7966#discussion_r36333762
--- Diff:
core/src/main/scala/org/apache/spark/storage/DiskBlockManager.scala ---
@@ -133,7 +133,6 @@ private[spark] class DiskBlockManager(blockManager:
BlockManager, conf: SparkCon
Utils.getConfiguredLocalDirs(conf).flatMap { rootDir =>
try {
val localDir = Utils.createDirectory(rootDir, "blockmgr")
- Utils.chmod700(localDir)
--- End diff --
No. The cluster manager is responsible for securing the app's directory (in
YARN, only the app owner and the YARN group can read it; in standalone, only
the user running the standalone service can; not sure about Mesos, which is why
the Mesos code might need to be fixed separately).
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