Fixed bugs.

Author: tdas

core/src/main/scala/org/apache/spark/ui/UIUtils.scala

@@ -121,7 +121,11 @@ private[spark] object UIUtils extends Logging {
         (records, "")
       }
     }
-    "%.1f%s".formatLocal(Locale.US, value, unit)
+    if (unit.isEmpty) {
+      "%d".formatLocal(Locale.US, value)
+    } else {
+      "%.1f%s".formatLocal(Locale.US, value, unit)
+    }
   }
 
   // Yarn has to go through a proxy so the base uri is provided and has to be on all links

external/kafka/src/test/scala/org/apache/spark/streaming/kafka/KafkaStreamSuite.scala

@@ -37,7 +37,6 @@ class KafkaStreamSuite extends TestSuiteBase {
     val test3: NetworkInputDStream[(String, String)] =
       KafkaUtils.createStream[String, String, StringDecoder, StringDecoder](
       ssc, kafkaParams, topics, StorageLevel.MEMORY_AND_DISK_SER_2)
-    assert(test1.isInstanceOf)
 
     // TODO: Actually test receiving data
     ssc.stop()

streaming/src/main/scala/org/apache/spark/streaming/receiver/NetworkReceiverExecutor.scala

@@ -174,7 +174,7 @@ private[streaming] abstract class NetworkReceiverExecutor(
   }
 
   /** Check if receiver has been marked for stopping */
-  def isReceiverStarted() = {
+  def isReceiverStarted() = synchronized {
     logDebug("state = " + receiverState)
     receiverState == Started
   }

streaming/src/main/scala/org/apache/spark/streaming/ui/StreamingPage.scala

@@ -90,9 +90,9 @@ private[ui] class StreamingPage(parent: StreamingTab)
         val receiverInfo = listener.receiverInfo(receiverId)
         val receiverName = receiverInfo.map(_.toString).getOrElse(s"Receiver-$receiverId")
         val receiverLocation = receiverInfo.map(_.location).getOrElse(emptyCell)
-        val receiverLastBatchRecords = formatDurationVerbose(lastBatchReceivedRecord(receiverId))
+        val receiverLastBatchRecords = formatNumber(lastBatchReceivedRecord(receiverId))
         val receivedRecordStats = receivedRecordDistributions(receiverId).map { d =>
-          d.getQuantiles().map(r => formatDurationVerbose(r.toLong))
+          d.getQuantiles().map(r => formatNumber(r.toLong))
         }.getOrElse {
           Seq(emptyCell, emptyCell, emptyCell, emptyCell, emptyCell)
         }

streaming/src/test/scala/org/apache/spark/streaming/StreamingContextSuite.scala

@@ -283,6 +283,7 @@ class TestReceiver extends NetworkReceiver[Int](StorageLevel.MEMORY_ONLY) with L
   def onStart() {
     val thread = new Thread() {
       override def run() {
+        logInfo("Receiving started")
         while (!isStopped) {
           store(TestReceiver.counter.getAndIncrement)
         }