Add timeline and histogram graphs for streaming statistics

.rat-excludes

@@ -30,6 +30,7 @@ log4j-defaults.properties
 bootstrap-tooltip.js
 jquery-1.11.1.min.js
 sorttable.js
+d3.min.js
 .*avsc
 .*txt
 .*json

LICENSE

@@ -643,6 +643,36 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 
+========================================================================
+For d3 (core/src/main/resources/org/apache/spark/ui/static/d3.min.js):
+========================================================================
+
+Copyright (c) 2010-2015, Michael Bostock
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* The name Michael Bostock may not be used to endorse or promote products
+  derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL MICHAEL BOSTOCK BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 ========================================================================
 For Scala Interpreter classes (all .scala files in repl/src/main/scala

core/src/main/resources/org/apache/spark/ui/static/streaming-page.css

@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+.graph {
+  font: 10px sans-serif;
+}
+
+.axis path, .axis line {
+  fill: none;
+  stroke: #000;
+  shape-rendering: crispEdges;
+}
+
+.line {
+  fill: none;
+  stroke: steelblue;
+  stroke-width: 1.5px;
+}
+
+.bar rect {
+  fill: steelblue;
+  shape-rendering: crispEdges;
+}
+
+.bar text {
+  fill: #000;
+}

core/src/main/resources/org/apache/spark/ui/static/streaming-page.js

@@ -0,0 +1,120 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+function drawTimeline(id, data, unit) {
+    var margin = {top: 20, right: 20, bottom: 70, left: 50};
+    var width = 500 - margin.left - margin.right;
+    var height = 250 - margin.top - margin.bottom;
+
+    var x = d3.time.scale().range([0, width]);
+    var y = d3.scale.linear().range([height, 0]);
+
+    var xAxis = d3.svg.axis().scale(x).orient("bottom").tickFormat(d3.time.format("%H:%M:%S"));
+    var yAxis = d3.svg.axis().scale(y).orient("left");
+
+    var line = d3.svg.line()
+        .x(function(d) { return x(new Date(d.x)); })
+        .y(function(d) { return y(d.y); });
+
+    var svg = d3.select(id).append("svg")
+                .attr("width", width + margin.left + margin.right)
+                .attr("height", height + margin.top + margin.bottom)
+                .append("g")
+                .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
+
+    x.domain(d3.extent(data, function(d) { return d.x; }));
+    y.domain(d3.extent(data, function(d) { return d.y; }));
+
+    svg.append("g")
+      .attr("class", "x axis")
+      .attr("transform", "translate(0," + height + ")")
+      .call(xAxis)
+      .selectAll("text")
+        .style("text-anchor", "end")
+        .attr("dx", "-.8em")
+        .attr("dy", ".15em")
+        .attr("transform", "rotate(-65)");
+
+    svg.append("g")
+      .attr("class", "y axis")
+      .call(yAxis)
+    .append("text")
+      .attr("x", 25)
+      .attr("y", -5)
+      .attr("dy", ".71em")
+      .style("text-anchor", "end")
+      .text(unit);
+
+    svg.append("path")
+      .datum(data)
+      .attr("class", "line")
+      .attr("d", line);
+}
+
+function drawDistribution(id, values, unit) {
+    var margin = {top: 10, right: 30, bottom: 30, left: 50};
+    var width = 500 - margin.left - margin.right;
+    var height = 250 - margin.top - margin.bottom;
+
+    var y = d3.scale.linear()
+        .domain(d3.extent(values, function(d) { return d; }))
+        .range([height, 0]);
+    var data = d3.layout.histogram().bins(y.ticks(10))(values);
+    console.log(values)
+    console.log(data)
+    var barHeight = height / data.length
+
+    var x = d3.scale.linear()
+        .domain([0, d3.max(data, function(d) { return d.y; })])
+        .range([0, width]);
+
+    var xAxis = d3.svg.axis().scale(x).orient("bottom");
+    var yAxis = d3.svg.axis().scale(y).orient("left");
+
+    var svg = d3.select(id).append("svg")
+        .attr("width", width + margin.left + margin.right)
+        .attr("height", height + margin.top + margin.bottom)
+      .append("g")
+        .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
+
+    var bar = svg.selectAll(".bar")
+        .data(data)
+      .enter().append("g")
+        .attr("class", "bar")
+
+    bar.append("rect")
+        .attr("x", 1)
+        .attr("y", function(d) { return y(d.x) - margin.bottom + margin.top; })
+        .attr("width", function(d) { return x(d.y); })
+        .attr("height", function(d) { return (height - margin.bottom) / data.length; });
+
+    bar.append("text")
+        .attr("dy", ".75em")
+        .attr("x", function(d) { return x(d.y) + 10; })
+        .attr("y", function(d) { return y(d.x) + 16 - margin.bottom; })
+        .attr("text-anchor", "middle")
+        .text(function(d) { return d.y; });
+
+    svg.append("g")
+        .attr("class", "x axis")
+        .attr("transform", "translate(0," + height + ")")
+        .call(xAxis);
+
+    svg.append("g")
+        .attr("class", "y axis")
+        .call(yAxis);
+}

core/src/main/scala/org/apache/spark/util/Distribution.scala

@@ -20,6 +20,7 @@ package org.apache.spark.util
 import java.io.PrintStream
 
 import scala.collection.immutable.IndexedSeq
+import scala.collection.mutable.ArrayBuffer
 
 /**
  * Util for getting some stats from a small sample of numeric values, with some handy
@@ -67,6 +68,34 @@ private[spark] class Distribution(val data: Array[Double], val startIdx: Int, va
     out.println(statCounter)
     showQuantiles(out)
   }
+
+  def histogram(bins: Int): Seq[(Double, Int)] = {
+    require(bins > 0)
+    val stat = statCounter
+    val binSize = (stat.max - stat.min) / (bins - 1)
+    val points = new Array[Double](bins)
+    for (i <- 0 until (bins - 1)) {
+      points(i) = stat.min + binSize * i
+    }
+    points(bins - 1) = stat.max
+    val counts = new Array[Int](bins)
+    for (i <- startIdx until endIdx) {
+      val v = data(i)
+      var j = 0
+      var find = false
+      while (!find && j < bins - 1) {
+        if (v < points(j) + binSize / 2) {
+          counts(j) += 1
+          find = true
+        }
+        j += 1
+      }
+      if (!find) {
+        counts(bins - 1) += 1
+      }
+    }
+    points.zip(counts)
+  }
 }
 
 private[spark] object Distribution {

streaming/src/main/scala/org/apache/spark/streaming/scheduler/BatchInfo.scala

@@ -58,4 +58,11 @@ case class BatchInfo(
    */
   def totalDelay: Option[Long] = schedulingDelay.zip(processingDelay)
     .map(x => x._1 + x._2).headOption
+
+  /**
+   * The number of recorders received by the receivers in this batch.
+   */
+  def numRecords: Long = receivedBlockInfo.map { case (_, infos) =>
+    infos.map(_.numRecords).sum
+  }.sum
 }

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

@@ -39,6 +39,7 @@ private[streaming] class StreamingJobProgressListener(ssc: StreamingContext)
   private var totalReceivedRecords = 0L
   private var totalProcessedRecords = 0L
   private val receiverInfos = new HashMap[Int, ReceiverInfo]
+  private val receiverLastErrorTime = new HashMap[Int, Long]
 
   val batchDuration = ssc.graph.batchDuration.milliseconds
 
@@ -51,6 +52,7 @@ private[streaming] class StreamingJobProgressListener(ssc: StreamingContext)
   override def onReceiverError(receiverError: StreamingListenerReceiverError) {
     synchronized {
       receiverInfos(receiverError.receiverInfo.streamId) = receiverError.receiverInfo
+      receiverLastErrorTime(receiverError.receiverInfo.streamId) = System.currentTimeMillis()
     }
   }
 
@@ -149,6 +151,31 @@ private[streaming] class StreamingJobProgressListener(ssc: StreamingContext)
     }.toMap
   }
 
+  def receivedRecordsWithBatchTime: Map[Int, Seq[(Long, Double)]] = synchronized {
+    val latestBlockInfos = retainedBatches.take(batchInfoLimit).map { batchInfo =>
+      (batchInfo.batchTime.milliseconds, batchInfo.receivedBlockInfo)
+    }
+    (0 until numReceivers).map { receiverId =>
+      val blockInfoOfParticularReceiver = latestBlockInfos.map {
+        case (batchTime, receivedBlockInfo) =>
+          (batchTime, receivedBlockInfo.get(receiverId).getOrElse(Array.empty))
+      }
+      val recordsOfParticularReceiver = blockInfoOfParticularReceiver.map {
+        case (batchTime, blockInfo) =>
+          // calculate records per second for each batch
+          (batchTime, blockInfo.map(_.numRecords).sum.toDouble * 1000 / batchDuration)
+      }
+      (receiverId, recordsOfParticularReceiver)
+    }.toMap
+  }
+
+
+  def allReceivedRecordsWithBatchTime: Seq[(Long, Double)] = synchronized {
+    retainedBatches.take(batchInfoLimit).map { batchInfo =>
+      (batchInfo.batchTime.milliseconds, batchInfo.numRecords.toDouble * 1000 / batchDuration)
+    }
+  }
+
   def lastReceivedBatchRecords: Map[Int, Long] = synchronized {
     val lastReceivedBlockInfoOption = lastReceivedBatch.map(_.receivedBlockInfo)
     lastReceivedBlockInfoOption.map { lastReceivedBlockInfo =>
@@ -164,6 +191,10 @@ private[streaming] class StreamingJobProgressListener(ssc: StreamingContext)
     receiverInfos.get(receiverId)
   }
 
+  def receiverLastErrorTimeo(receiverId: Int): Option[Long] = synchronized {
+    receiverLastErrorTime.get(receiverId)
+  }
+
   def lastCompletedBatch: Option[BatchInfo] = synchronized {
     completedBatchInfos.sortBy(_.batchTime)(Time.ordering).lastOption
   }