arunmahadevan commented on a change in pull request #23764: [SPARK-26825][SS]
Fix temp checkpoint creation in cluster mode when default filesystem is not
local.
URL: https://github.com/apache/spark/pull/23764#discussion_r259982130
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/streaming/StreamingQueryManager.scala
##########
@@ -222,12 +222,14 @@ class StreamingQueryManager private[sql] (sparkSession:
SparkSession) extends Lo
}.getOrElse {
if (useTempCheckpointLocation) {
deleteCheckpointOnStop = true
- val tempDir = Utils.createTempDir(namePrefix =
s"temporary").getCanonicalPath
+ val tempDir = System.getProperty("java.io.tmpdir")
+ val cpTempDir = new Path("file://" + tempDir + "/temporary-"
+ + UUID.randomUUID.toString).toString
Review comment:
I dont think this handles cleaning up the tmp directory on shutdown which is
already handled in `Utils.createTempDir`. I assume here we want the checkpoint
location to be on the local file system and not in HDFS, so why not just re-use
the Utils.createTempDir and just prefix "file://" to the canonical path to fix
the issues with resolution.
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