Set default logging to WARN for Spark streaming examples.

This programatically sets the log level to WARN by default for streaming
tests. If the user has already specified a log4j.properties file,
the user's file will take precedence over this default.

2 files changed, 5 insertions, 5 deletions

diff --git a/streaming/src/main/scala/org/apache/spark/streaming/DStream.scala b/streaming/src/main/scala/org/apache/spark/streaming/DStream.scala
index 00671ba520..837f1ea1d8 100644
--- a/streaming/src/main/scala/org/apache/spark/streaming/DStream.scala
+++ b/streaming/src/main/scala/org/apache/spark/streaming/DStream.scala
@@ -333,7 +333,7 @@ abstract class DStream[T: ClassTag] (
     var numForgotten = 0
     val oldRDDs = generatedRDDs.filter(_._1 <= (time - rememberDuration))
     generatedRDDs --= oldRDDs.keys
-    logInfo("Cleared " + oldRDDs.size + " RDDs that were older than " +
+    logDebug("Cleared " + oldRDDs.size + " RDDs that were older than " +
       (time - rememberDuration) + ": " + oldRDDs.keys.mkString(", "))
     dependencies.foreach(_.clearOldMetadata(time))
   }
diff --git a/streaming/src/main/scala/org/apache/spark/streaming/DStreamGraph.scala b/streaming/src/main/scala/org/apache/spark/streaming/DStreamGraph.scala
index a09b891956..62d07b22c6 100644
--- a/streaming/src/main/scala/org/apache/spark/streaming/DStreamGraph.scala
+++ b/streaming/src/main/scala/org/apache/spark/streaming/DStreamGraph.scala
@@ -105,18 +105,18 @@ final private[streaming] class DStreamGraph extends Serializable with Logging {
 
   def generateJobs(time: Time): Seq[Job] = {
     this.synchronized {
-      logInfo("Generating jobs for time " + time)
+      logDebug("Generating jobs for time " + time)
       val jobs = outputStreams.flatMap(outputStream => outputStream.generateJob(time))
-      logInfo("Generated " + jobs.length + " jobs for time " + time)
+      logDebug("Generated " + jobs.length + " jobs for time " + time)
       jobs
     }
   }
 
   def clearOldMetadata(time: Time) {
     this.synchronized {
-      logInfo("Clearing old metadata for time " + time)
+      logDebug("Clearing old metadata for time " + time)
       outputStreams.foreach(_.clearOldMetadata(time))
-      logInfo("Cleared old metadata for time " + time)
+      logDebug("Cleared old metadata for time " + time)
     }
   }