Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/10934#discussion_r50930243
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobGenerator.scala
---
@@ -243,6 +243,10 @@ class JobGenerator(jobScheduler: JobScheduler) extends
Logging {
// Example: BlockRDDs are created in this thread, and it needs to
access BlockManager
// Update: This is probably redundant after threadlocal stuff in
SparkEnv has been removed.
SparkEnv.set(ssc.env)
+
+ // Enable "spark.checkpoint.recursive" to make sure that all RDDs
marked with the checkpoint
+ // flag are all checkpointed to avoid the stack overflow issue. See
SPARK-6847
+ ssc.sparkContext.setLocalProperty("spark.checkpoint.recursive", "true")
--- End diff --
`localProperties` uses `InheritableThreadLocal` so they will be inherited
by child threads.
However, looks it's better not to depend on this implicit assumption and
just set it explicitly.
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