Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/4149#discussion_r23348880
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/DStreamGraph.scala ---
@@ -160,6 +160,10 @@ final private[streaming] class DStreamGraph extends
Serializable with Logging {
}
}
+ def getMaxInputStreamRememberDuration(): Duration = {
--- End diff --
I would add a doc here that explains that the max remember duration can be
used to set a conservative threshold on when it is safe to remember older data.
Otherwise it's not super obvious why callers are using this particular time.
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