Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/16880#discussion_r100636660
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/StreamExecution.scala
---
@@ -323,6 +329,20 @@ class StreamExecution(
sparkSession.streams.notifyQueryTermination(StreamExecution.this)
postEvent(
new QueryTerminatedEvent(id, runId,
exception.map(_.cause).map(Utils.exceptionString)))
+
+ // Delete the temp checkpoint only when the query didn't fail
+ if (deleteCheckpointOnStop && exception.isEmpty) {
+ val checkpointPath = new Path(checkpointRoot)
+ try {
+ val fs =
checkpointPath.getFileSystem(sparkSession.sessionState.newHadoopConf())
+ fs.delete(checkpointPath, true)
+ } catch {
+ case e: IOException =>
--- End diff --
Good point. I changed it to `NonFatal`.
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