Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/15924#discussion_r90090753
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/HDFSMetadataLog.scala
---
@@ -129,48 +129,18 @@ class HDFSMetadataLog[T <: AnyRef :
ClassTag](sparkSession: SparkSession, path:
}
}
- /**
- * Write a batch to a temp file then rename it to the batch file.
- *
- * There may be multiple [[HDFSMetadataLog]] using the same metadata
path. Although it is not a
- * valid behavior, we still need to prevent it from destroying the files.
- */
- private def writeBatch(batchId: Long, metadata: T, writer: (T,
OutputStream) => Unit): Unit = {
- // Use nextId to create a temp file
+ def writeTempBatch(metadata: T, writer: (T, OutputStream) => Unit =
serialize): Option[Path] = {
var nextId = 0
- while (true) {
+ while(true) {
--- End diff --
Nit: Space after `while`
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