Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/16979#discussion_r102141431
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/HDFSMetadataLog.scala
---
@@ -63,8 +63,34 @@ class HDFSMetadataLog[T <: AnyRef :
ClassTag](sparkSession: SparkSession, path:
val metadataPath = new Path(path)
protected val fileManager = createFileManager()
- if (!fileManager.exists(metadataPath)) {
- fileManager.mkdirs(metadataPath)
+ runUninterruptiblyIfLocal {
+ if (!fileManager.exists(metadataPath)) {
+ fileManager.mkdirs(metadataPath)
+ }
+ }
+
+ private def runUninterruptiblyIfLocal[T](body: => T): T = {
+ if (fileManager.isLocalFileSystem &&
Thread.currentThread.isInstanceOf[UninterruptibleThread]) {
--- End diff --
have to change the condition here because StreamExecution will create a
HDFSMetadata in a non UninterruptibleThread.
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