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Posted to commits@gearpump.apache.org by ma...@apache.org on 2016/08/22 05:24:06 UTC
[2/2] incubator-gearpump git commit: fix GEARPUMP-32,
introduce source watermark
fix GEARPUMP-32, introduce source watermark
This is for early review and contains some example codes which will be removed before merge.
Author: manuzhang <ow...@gmail.com>
Closes #67 from manuzhang/watermark.
Project: http://git-wip-us.apache.org/repos/asf/incubator-gearpump/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-gearpump/commit/529799cc
Tree: http://git-wip-us.apache.org/repos/asf/incubator-gearpump/tree/529799cc
Diff: http://git-wip-us.apache.org/repos/asf/incubator-gearpump/diff/529799cc
Branch: refs/heads/master
Commit: 529799cc400a72ae9e0d2385044ce1fd5e329bb3
Parents: 23daf0c
Author: manuzhang <ow...@gmail.com>
Authored: Mon Aug 22 13:23:53 2016 +0800
Committer: manuzhang <ow...@gmail.com>
Committed: Mon Aug 22 13:23:53 2016 +0800
----------------------------------------------------------------------
.../streaming/examples/complexdag/Source.scala | 8 +-
.../examples/fsio/SeqFileStreamProducer.scala | 5 +-
.../examples/sol/SOLStreamProducer.scala | 10 +--
.../examples/state/MessageCountApp.scala | 6 +-
.../state/processor/CountProcessor.scala | 5 +-
.../processor/NumberGeneratorProcessor.scala | 5 +-
.../state/processor/CountProcessorSpec.scala | 9 +--
.../NumberGeneratorProcessorSpec.scala | 5 +-
.../processor/WindowAverageProcessorSpec.scala | 11 +--
.../streaming/examples/wordcountjava/Split.java | 11 +--
.../streaming/examples/wordcount/Split.scala | 5 +-
.../examples/wordcount/SplitSpec.scala | 4 +-
.../storm/producer/StormProducer.scala | 5 +-
.../storm/producer/StormProducerSpec.scala | 5 +-
.../streaming/kafka/util/KafkaConfig.java | 18 +----
.../kafka/lib/KafkaMessageDecoder.scala | 36 +++++++++
.../kafka/lib/source/AbstractKafkaSource.scala | 52 ++++++-------
.../lib/source/DefaultKafkaMessageDecoder.scala | 34 ++++++++
.../lib/source/DefaultMessageDecoder.scala | 38 ---------
.../streaming/kafka/lib/util/KafkaClient.scala | 2 -
.../streaming/kafka/KafkaSourceSpec.scala | 17 ++--
.../source/DefaultKafkaMessageDecoderSpec.scala | 43 ++++++++++
.../lib/source/DefaultMessageDecoderSpec.scala | 52 -------------
.../kafka/lib/util/KafkaClientSpec.scala | 4 +-
.../checklist/DynamicDagSpec.scala | 4 +-
.../streaming/appmaster/AppMaster.scala | 2 +-
.../streaming/appmaster/ClockService.scala | 79 +++++++++----------
.../streaming/appmaster/TaskManager.scala | 2 -
.../gearpump/streaming/dsl/StreamApp.scala | 4 +-
.../gearpump/streaming/source/DataSource.scala | 8 ++
.../streaming/source/DataSourceTask.scala | 16 +++-
.../source/DefaultTimeStampFilter.scala | 31 --------
.../gearpump/streaming/source/Watermark.scala | 29 +++++++
.../streaming/state/api/PersistentTask.scala | 44 ++++-------
.../apache/gearpump/streaming/task/Task.scala | 12 ++-
.../gearpump/streaming/task/TaskActor.scala | 82 ++++++++++++--------
.../gearpump/streaming/task/TaskWrapper.scala | 6 +-
.../transaction/api/MessageDecoder.scala | 34 --------
.../streaming/appmaster/AppMasterSpec.scala | 10 +--
.../streaming/appmaster/ClockServiceSpec.scala | 5 --
.../streaming/appmaster/TaskManagerSpec.scala | 2 -
.../source/DefaultTimeStampFilterSpec.scala | 48 ------------
42 files changed, 368 insertions(+), 440 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/examples/streaming/complexdag/src/main/scala/org/apache/gearpump/streaming/examples/complexdag/Source.scala
----------------------------------------------------------------------
diff --git a/examples/streaming/complexdag/src/main/scala/org/apache/gearpump/streaming/examples/complexdag/Source.scala b/examples/streaming/complexdag/src/main/scala/org/apache/gearpump/streaming/examples/complexdag/Source.scala
index 7abb3fc..074b389 100644
--- a/examples/streaming/complexdag/src/main/scala/org/apache/gearpump/streaming/examples/complexdag/Source.scala
+++ b/examples/streaming/complexdag/src/main/scala/org/apache/gearpump/streaming/examples/complexdag/Source.scala
@@ -22,19 +22,21 @@ import java.time.Instant
import org.apache.gearpump.Message
import org.apache.gearpump.cluster.UserConfig
+import org.apache.gearpump.streaming.source.Watermark
import org.apache.gearpump.streaming.task.{Task, TaskContext}
class Source(taskContext: TaskContext, conf: UserConfig) extends Task(taskContext, conf) {
import taskContext.output
override def onStart(startTime: Instant): Unit = {
- self ! Message("start")
+ self ! Watermark(Instant.now)
}
override def onNext(msg: Message): Unit = {
val list = Vector(getClass.getCanonicalName)
- output(new Message(list, System.currentTimeMillis))
- self ! Message("continue", System.currentTimeMillis())
+ val now = Instant.now
+ output(new Message(list, now.toEpochMilli))
+ self ! Watermark(now)
}
}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/examples/streaming/fsio/src/main/scala/org/apache/gearpump/streaming/examples/fsio/SeqFileStreamProducer.scala
----------------------------------------------------------------------
diff --git a/examples/streaming/fsio/src/main/scala/org/apache/gearpump/streaming/examples/fsio/SeqFileStreamProducer.scala b/examples/streaming/fsio/src/main/scala/org/apache/gearpump/streaming/examples/fsio/SeqFileStreamProducer.scala
index 4106a2c..a3b4d97 100644
--- a/examples/streaming/fsio/src/main/scala/org/apache/gearpump/streaming/examples/fsio/SeqFileStreamProducer.scala
+++ b/examples/streaming/fsio/src/main/scala/org/apache/gearpump/streaming/examples/fsio/SeqFileStreamProducer.scala
@@ -19,6 +19,7 @@ package org.apache.gearpump.streaming.examples.fsio
import java.time.Instant
+import org.apache.gearpump.streaming.source.Watermark
import org.apache.hadoop.fs.{FileSystem, Path}
import org.apache.hadoop.io.SequenceFile._
import org.apache.hadoop.io.{SequenceFile, Text}
@@ -64,6 +65,6 @@ class SeqFileStreamProducer(taskContext: TaskContext, config: UserConfig)
object SeqFileStreamProducer {
def INPUT_PATH: String = "inputpath"
- val Start = Message("start")
- val Continue = Message("continue")
+ val Start = Watermark(Instant.now)
+ val Continue = Watermark(Instant.now)
}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/examples/streaming/sol/src/main/scala/org/apache/gearpump/streaming/examples/sol/SOLStreamProducer.scala
----------------------------------------------------------------------
diff --git a/examples/streaming/sol/src/main/scala/org/apache/gearpump/streaming/examples/sol/SOLStreamProducer.scala b/examples/streaming/sol/src/main/scala/org/apache/gearpump/streaming/examples/sol/SOLStreamProducer.scala
index c1b11e5..2b443e5 100644
--- a/examples/streaming/sol/src/main/scala/org/apache/gearpump/streaming/examples/sol/SOLStreamProducer.scala
+++ b/examples/streaming/sol/src/main/scala/org/apache/gearpump/streaming/examples/sol/SOLStreamProducer.scala
@@ -24,6 +24,7 @@ import java.util.Random
import org.apache.gearpump.Message
import org.apache.gearpump.cluster.UserConfig
import org.apache.gearpump.streaming.examples.sol.SOLStreamProducer._
+import org.apache.gearpump.streaming.source.Watermark
import org.apache.gearpump.streaming.task.{Task, TaskContext}
class SOLStreamProducer(taskContext: TaskContext, conf: UserConfig)
@@ -39,7 +40,7 @@ class SOLStreamProducer(taskContext: TaskContext, conf: UserConfig)
override def onStart(startTime: Instant): Unit = {
prepareRandomMessage
- self ! Start
+ self ! Watermark(Instant.now)
}
private def prepareRandomMessage = {
@@ -62,18 +63,13 @@ class SOLStreamProducer(taskContext: TaskContext, conf: UserConfig)
val message = messages(rand.nextInt(messages.length))
output(new Message(message, System.currentTimeMillis()))
messageCount = messageCount + 1L
- self ! messageSourceMinClock
+ self ! Watermark(Instant.now)
}
- // messageSourceMinClock represent the min clock of the message source
- private def messageSourceMinClock: Message = {
- Message("tick", System.currentTimeMillis())
- }
}
object SOLStreamProducer {
val DEFAULT_MESSAGE_SIZE = 100
// Bytes
val BYTES_PER_MESSAGE = "bytesPerMessage"
- val Start = Message("start")
}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/MessageCountApp.scala
----------------------------------------------------------------------
diff --git a/examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/MessageCountApp.scala b/examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/MessageCountApp.scala
index 5a3954a..9bd2bc5 100644
--- a/examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/MessageCountApp.scala
+++ b/examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/MessageCountApp.scala
@@ -52,14 +52,14 @@ object MessageCountApp extends AkkaApp with ArgumentsParser {
override val options: Array[(String, CLIOption[Any])] = Array(
SOURCE_TASK -> CLIOption[Int]("<how many kafka source tasks>", required = false,
- defaultValue = Some(1)),
+ defaultValue = Some(1)),
COUNT_TASK -> CLIOption("<how many count tasks>", required = false, defaultValue = Some(1)),
SINK_TASK -> CLIOption[Int]("<how many kafka sink tasks>", required = false,
- defaultValue = Some(1)),
+ defaultValue = Some(1)),
SOURCE_TOPIC -> CLIOption[String]("<kafka source topic>", required = true),
SINK_TOPIC -> CLIOption[String]("<kafka sink topic>", required = true),
ZOOKEEPER_CONNECT -> CLIOption[String]("<Zookeeper connect string, e.g. localhost:2181/kafka>",
- required = true),
+ required = true),
BROKER_LIST -> CLIOption[String]("<Kafka broker list, e.g. localhost:9092>", required = true),
DEFAULT_FS -> CLIOption[String]("<name of the default file system, e.g. hdfs://localhost:9000>",
required = true)
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/processor/CountProcessor.scala
----------------------------------------------------------------------
diff --git a/examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/processor/CountProcessor.scala b/examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/processor/CountProcessor.scala
index 9650a0a..2d31eeb 100644
--- a/examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/processor/CountProcessor.scala
+++ b/examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/processor/CountProcessor.scala
@@ -29,13 +29,16 @@ import org.apache.gearpump.streaming.task.TaskContext
class CountProcessor(taskContext: TaskContext, conf: UserConfig)
extends PersistentTask[Int](taskContext, conf) {
+ private val serializer = new ChillSerializer[Int]
+
override def persistentState: PersistentState[Int] = {
import com.twitter.algebird.Monoid.intMonoid
- new NonWindowState[Int](new AlgebirdMonoid(intMonoid), new ChillSerializer[Int])
+ new NonWindowState[Int](new AlgebirdMonoid(intMonoid), serializer)
}
override def processMessage(state: PersistentState[Int], message: Message): Unit = {
state.update(message.timestamp, 1)
+ state.get.foreach(s => taskContext.output(Message(serializer.serialize(s), message.timestamp)))
}
}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/processor/NumberGeneratorProcessor.scala
----------------------------------------------------------------------
diff --git a/examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/processor/NumberGeneratorProcessor.scala b/examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/processor/NumberGeneratorProcessor.scala
index 134afba..e6030d6 100644
--- a/examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/processor/NumberGeneratorProcessor.scala
+++ b/examples/streaming/state/src/main/scala/org/apache/gearpump/streaming/examples/state/processor/NumberGeneratorProcessor.scala
@@ -22,6 +22,7 @@ import java.time.Instant
import org.apache.gearpump.Message
import org.apache.gearpump.cluster.UserConfig
+import org.apache.gearpump.streaming.source.Watermark
import org.apache.gearpump.streaming.task.{Task, TaskContext}
class NumberGeneratorProcessor(taskContext: TaskContext, conf: UserConfig)
@@ -31,7 +32,7 @@ class NumberGeneratorProcessor(taskContext: TaskContext, conf: UserConfig)
private var num = 0L
override def onStart(startTime: Instant): Unit = {
num = startTime.toEpochMilli
- self ! Message("start")
+ self ! Watermark(startTime)
}
override def onNext(msg: Message): Unit = {
@@ -39,6 +40,6 @@ class NumberGeneratorProcessor(taskContext: TaskContext, conf: UserConfig)
num += 1
import scala.concurrent.duration._
- taskContext.scheduleOnce(Duration(1, MILLISECONDS))(self ! Message("next"))
+ taskContext.scheduleOnce(Duration(1, MILLISECONDS))(self ! Watermark(Instant.ofEpochMilli(num)))
}
}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/examples/streaming/state/src/test/scala/org/apache/gearpump/streaming/examples/state/processor/CountProcessorSpec.scala
----------------------------------------------------------------------
diff --git a/examples/streaming/state/src/test/scala/org/apache/gearpump/streaming/examples/state/processor/CountProcessorSpec.scala b/examples/streaming/state/src/test/scala/org/apache/gearpump/streaming/examples/state/processor/CountProcessorSpec.scala
index b95d164..5affb5e 100644
--- a/examples/streaming/state/src/test/scala/org/apache/gearpump/streaming/examples/state/processor/CountProcessorSpec.scala
+++ b/examples/streaming/state/src/test/scala/org/apache/gearpump/streaming/examples/state/processor/CountProcessorSpec.scala
@@ -66,16 +66,11 @@ class CountProcessorSpec extends PropSpec with PropertyChecks with Matchers {
for (i <- 0L to num) {
count.onNext(Message("", i))
- count.state.get shouldBe Some(i + 1)
+ count.getState.get shouldBe Some(i + 1)
}
- // Next checkpoint time is not arrived yet
- when(taskContext.upstreamMinClock).thenReturn(0L)
- count.onNext(PersistentTask.CHECKPOINT)
- appMaster.expectNoMsg(10.milliseconds)
// Time to checkpoint
- when(taskContext.upstreamMinClock).thenReturn(num)
- count.onNext(PersistentTask.CHECKPOINT)
+ count.onWatermarkProgress(Instant.ofEpochMilli(num))
// Only the state before checkpoint time is checkpointed
appMaster.expectMsg(UpdateCheckpointClock(taskContext.taskId, num))
}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/examples/streaming/state/src/test/scala/org/apache/gearpump/streaming/examples/state/processor/NumberGeneratorProcessorSpec.scala
----------------------------------------------------------------------
diff --git a/examples/streaming/state/src/test/scala/org/apache/gearpump/streaming/examples/state/processor/NumberGeneratorProcessorSpec.scala b/examples/streaming/state/src/test/scala/org/apache/gearpump/streaming/examples/state/processor/NumberGeneratorProcessorSpec.scala
index d3f645c..b562b6b 100644
--- a/examples/streaming/state/src/test/scala/org/apache/gearpump/streaming/examples/state/processor/NumberGeneratorProcessorSpec.scala
+++ b/examples/streaming/state/src/test/scala/org/apache/gearpump/streaming/examples/state/processor/NumberGeneratorProcessorSpec.scala
@@ -20,6 +20,8 @@ package org.apache.gearpump.streaming.examples.state.processor
import java.time.Instant
+import org.apache.gearpump.streaming.source.Watermark
+
import scala.concurrent.Await
import scala.concurrent.duration.Duration
@@ -49,11 +51,10 @@ class NumberGeneratorProcessorSpec extends WordSpec with Matchers {
val conf = UserConfig.empty
val genNum = new NumberGeneratorProcessor(taskContext, conf)
genNum.onStart(Instant.EPOCH)
- mockTaskActor.expectMsgType[Message]
+ mockTaskActor.expectMsgType[Watermark]
genNum.onNext(Message("next"))
verify(taskContext).output(MockitoMatchers.any[Message])
- // mockTaskActor.expectMsgType[Message]
system.terminate()
Await.result(system.whenTerminated, Duration.Inf)
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/examples/streaming/state/src/test/scala/org/apache/gearpump/streaming/examples/state/processor/WindowAverageProcessorSpec.scala
----------------------------------------------------------------------
diff --git a/examples/streaming/state/src/test/scala/org/apache/gearpump/streaming/examples/state/processor/WindowAverageProcessorSpec.scala b/examples/streaming/state/src/test/scala/org/apache/gearpump/streaming/examples/state/processor/WindowAverageProcessorSpec.scala
index 255f869..f3706e2 100644
--- a/examples/streaming/state/src/test/scala/org/apache/gearpump/streaming/examples/state/processor/WindowAverageProcessorSpec.scala
+++ b/examples/streaming/state/src/test/scala/org/apache/gearpump/streaming/examples/state/processor/WindowAverageProcessorSpec.scala
@@ -34,7 +34,6 @@ import org.scalatest.{Matchers, PropSpec}
import org.apache.gearpump.Message
import org.apache.gearpump.cluster.UserConfig
import org.apache.gearpump.streaming.MockUtil
-import org.apache.gearpump.streaming.state.api.PersistentTask
import org.apache.gearpump.streaming.state.impl.{InMemoryCheckpointStoreFactory, PersistentStateConfig, WindowConfig}
import org.apache.gearpump.streaming.task.UpdateCheckpointClock
import org.apache.gearpump.streaming.transaction.api.CheckpointStoreFactory
@@ -68,17 +67,11 @@ class WindowAverageProcessorSpec extends PropSpec with PropertyChecks with Match
for (i <- 0L until num) {
windowAverage.onNext(Message("" + data, i))
- windowAverage.state.get shouldBe Some(AveragedValue(i + 1, data))
+ windowAverage.getState.get shouldBe Some(AveragedValue(i + 1, data))
}
- // Next checkpoint time is not arrived yet
- when(taskContext.upstreamMinClock).thenReturn(0L)
- windowAverage.onNext(PersistentTask.CHECKPOINT)
- appMaster.expectNoMsg(10.milliseconds)
-
// Time to checkpoint
- when(taskContext.upstreamMinClock).thenReturn(num)
- windowAverage.onNext(PersistentTask.CHECKPOINT)
+ windowAverage.onWatermarkProgress(Instant.ofEpochMilli(num))
appMaster.expectMsg(UpdateCheckpointClock(taskContext.taskId, num))
}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/examples/streaming/wordcount-java/src/main/java/org/apache/gearpump/streaming/examples/wordcountjava/Split.java
----------------------------------------------------------------------
diff --git a/examples/streaming/wordcount-java/src/main/java/org/apache/gearpump/streaming/examples/wordcountjava/Split.java b/examples/streaming/wordcount-java/src/main/java/org/apache/gearpump/streaming/examples/wordcountjava/Split.java
index 0a8fb4f..a0996b3 100644
--- a/examples/streaming/wordcount-java/src/main/java/org/apache/gearpump/streaming/examples/wordcountjava/Split.java
+++ b/examples/streaming/wordcount-java/src/main/java/org/apache/gearpump/streaming/examples/wordcountjava/Split.java
@@ -21,6 +21,7 @@ package org.apache.gearpump.streaming.examples.wordcountjava;
import org.apache.gearpump.Message;
import org.apache.gearpump.cluster.UserConfig;
import org.apache.gearpump.streaming.javaapi.Task;
+import org.apache.gearpump.streaming.source.Watermark;
import org.apache.gearpump.streaming.task.TaskContext;
import java.time.Instant;
@@ -33,13 +34,9 @@ public class Split extends Task {
super(taskContext, userConf);
}
- private Long now() {
- return System.currentTimeMillis();
- }
-
@Override
public void onStart(Instant startTime) {
- self().tell(new Message("start", now()), self());
+ self().tell(new Watermark(Instant.now()), self());
}
@Override
@@ -48,8 +45,8 @@ public class Split extends Task {
// Split the TEXT to words
String[] words = TEXT.split(" ");
for (int i = 0; i < words.length; i++) {
- context.output(new Message(words[i], now()));
+ context.output(new Message(words[i], Instant.now().toEpochMilli()));
}
- self().tell(new Message("next", now()), self());
+ self().tell(new Watermark(Instant.now()), self());
}
}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/examples/streaming/wordcount/src/main/scala/org/apache/gearpump/streaming/examples/wordcount/Split.scala
----------------------------------------------------------------------
diff --git a/examples/streaming/wordcount/src/main/scala/org/apache/gearpump/streaming/examples/wordcount/Split.scala b/examples/streaming/wordcount/src/main/scala/org/apache/gearpump/streaming/examples/wordcount/Split.scala
index af3c04c..44cf211 100644
--- a/examples/streaming/wordcount/src/main/scala/org/apache/gearpump/streaming/examples/wordcount/Split.scala
+++ b/examples/streaming/wordcount/src/main/scala/org/apache/gearpump/streaming/examples/wordcount/Split.scala
@@ -23,13 +23,14 @@ import java.util.concurrent.TimeUnit
import org.apache.gearpump.Message
import org.apache.gearpump.cluster.UserConfig
+import org.apache.gearpump.streaming.source.Watermark
import org.apache.gearpump.streaming.task.{Task, TaskContext}
class Split(taskContext: TaskContext, conf: UserConfig) extends Task(taskContext, conf) {
import taskContext.output
override def onStart(startTime: Instant): Unit = {
- self ! Message("start")
+ self ! Watermark(Instant.now)
}
override def onNext(msg: Message): Unit = {
@@ -41,7 +42,7 @@ class Split(taskContext: TaskContext, conf: UserConfig) extends Task(taskContext
import scala.concurrent.duration._
taskContext.scheduleOnce(Duration(100, TimeUnit.MILLISECONDS))(self !
- Message("continue", System.currentTimeMillis()))
+ Watermark(Instant.now))
}
}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/examples/streaming/wordcount/src/test/scala/org/apache/gearpump/streaming/examples/wordcount/SplitSpec.scala
----------------------------------------------------------------------
diff --git a/examples/streaming/wordcount/src/test/scala/org/apache/gearpump/streaming/examples/wordcount/SplitSpec.scala b/examples/streaming/wordcount/src/test/scala/org/apache/gearpump/streaming/examples/wordcount/SplitSpec.scala
index 8b50890..46d9e97 100644
--- a/examples/streaming/wordcount/src/test/scala/org/apache/gearpump/streaming/examples/wordcount/SplitSpec.scala
+++ b/examples/streaming/wordcount/src/test/scala/org/apache/gearpump/streaming/examples/wordcount/SplitSpec.scala
@@ -19,6 +19,8 @@ package org.apache.gearpump.streaming.examples.wordcount
import java.time.Instant
+import org.apache.gearpump.streaming.source.Watermark
+
import scala.concurrent.Await
import scala.concurrent.duration.Duration
@@ -49,7 +51,7 @@ class SplitSpec extends WordSpec with Matchers {
val conf = UserConfig.empty
val split = new Split(taskContext, conf)
split.onStart(Instant.EPOCH)
- mockTaskActor.expectMsgType[Message]
+ mockTaskActor.expectMsgType[Watermark]
val expectedWordCount = Split.TEXT_TO_SPLIT.split( """[\s\n]+""").count(_.nonEmpty)
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/experiments/storm/src/main/scala/org/apache/gearpump/experiments/storm/producer/StormProducer.scala
----------------------------------------------------------------------
diff --git a/experiments/storm/src/main/scala/org/apache/gearpump/experiments/storm/producer/StormProducer.scala b/experiments/storm/src/main/scala/org/apache/gearpump/experiments/storm/producer/StormProducer.scala
index b92f037..bc665c9 100644
--- a/experiments/storm/src/main/scala/org/apache/gearpump/experiments/storm/producer/StormProducer.scala
+++ b/experiments/storm/src/main/scala/org/apache/gearpump/experiments/storm/producer/StormProducer.scala
@@ -26,6 +26,7 @@ import org.apache.gearpump.Message
import org.apache.gearpump.cluster.UserConfig
import org.apache.gearpump.experiments.storm.topology.GearpumpStormComponent.GearpumpSpout
import org.apache.gearpump.experiments.storm.util._
+import org.apache.gearpump.streaming.source.Watermark
import org.apache.gearpump.streaming.task._
import scala.concurrent.duration.Duration
@@ -55,7 +56,7 @@ private[storm] class StormProducer(gearpumpSpout: GearpumpSpout,
getCheckpointClock
}
timeoutMillis.foreach(scheduleTimeout)
- self ! Message("start")
+ self ! Watermark(Instant.now)
}
override def onNext(msg: Message): Unit = {
@@ -68,7 +69,7 @@ private[storm] class StormProducer(gearpumpSpout: GearpumpSpout,
case _ =>
gearpumpSpout.next(msg)
}
- self ! Message("continue")
+ self ! Watermark(Instant.now)
}
override def receiveUnManagedMessage: Receive = {
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/experiments/storm/src/test/scala/org/apache/gearpump/experiments/storm/producer/StormProducerSpec.scala
----------------------------------------------------------------------
diff --git a/experiments/storm/src/test/scala/org/apache/gearpump/experiments/storm/producer/StormProducerSpec.scala b/experiments/storm/src/test/scala/org/apache/gearpump/experiments/storm/producer/StormProducerSpec.scala
index ee89a4a..2e304a1 100644
--- a/experiments/storm/src/test/scala/org/apache/gearpump/experiments/storm/producer/StormProducerSpec.scala
+++ b/experiments/storm/src/test/scala/org/apache/gearpump/experiments/storm/producer/StormProducerSpec.scala
@@ -25,6 +25,7 @@ import org.apache.gearpump.Message
import org.apache.gearpump.cluster.UserConfig
import org.apache.gearpump.experiments.storm.topology.GearpumpStormComponent.GearpumpSpout
import org.apache.gearpump.streaming.MockUtil
+import org.apache.gearpump.streaming.source.Watermark
import org.mockito.Mockito._
import org.scalatest.mock.MockitoSugar
import org.scalatest.{Matchers, WordSpec}
@@ -46,7 +47,7 @@ class StormProducerSpec extends WordSpec with Matchers with MockitoSugar {
stormProducer.onStart(startTime)
verify(gearpumpSpout).start(startTime)
- taskActor.expectMsg(Message("start"))
+ taskActor.expectMsgType[Watermark]
}
"pass message to GearpumpBolt onNext" in {
@@ -64,7 +65,7 @@ class StormProducerSpec extends WordSpec with Matchers with MockitoSugar {
stormProducer.onNext(message)
verify(gearpumpSpout).next(message)
- taskActor.expectMsg(Message("continue"))
+ taskActor.expectMsgType[Watermark]
stormProducer.onNext(StormProducer.TIMEOUT)
verify(gearpumpSpout).timeout(timeout)
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/external/kafka/src/main/java/org/apache/gearpump/streaming/kafka/util/KafkaConfig.java
----------------------------------------------------------------------
diff --git a/external/kafka/src/main/java/org/apache/gearpump/streaming/kafka/util/KafkaConfig.java b/external/kafka/src/main/java/org/apache/gearpump/streaming/kafka/util/KafkaConfig.java
index 0d5bec7..8c931cd 100644
--- a/external/kafka/src/main/java/org/apache/gearpump/streaming/kafka/util/KafkaConfig.java
+++ b/external/kafka/src/main/java/org/apache/gearpump/streaming/kafka/util/KafkaConfig.java
@@ -21,10 +21,9 @@ package org.apache.gearpump.streaming.kafka.util;
import kafka.api.OffsetRequest;
import kafka.common.TopicAndPartition;
import kafka.consumer.ConsumerConfig;
-import org.apache.gearpump.streaming.kafka.lib.source.DefaultMessageDecoder;
+import org.apache.gearpump.streaming.kafka.lib.source.DefaultKafkaMessageDecoder;
import org.apache.gearpump.streaming.kafka.lib.util.KafkaClient;
import org.apache.gearpump.streaming.kafka.lib.source.grouper.DefaultPartitionGrouper;
-import org.apache.gearpump.streaming.source.DefaultTimeStampFilter;
import org.apache.kafka.common.config.AbstractConfig;
import org.apache.kafka.common.config.ConfigDef;
@@ -87,10 +86,6 @@ public class KafkaConfig extends AbstractConfig implements Serializable {
private static final String MESSAGE_DECODER_CLASS_DOC =
"Message decoder class that implements the <code>MessageDecoder</code> interface.";
- public static final String TIMESTAMP_FILTER_CLASS_CONFIG = "timestamp.filter.class";
- private static final String TIMESTAMP_FILTER_CLASS_DOC =
- "Timestamp filter class that implements the <code>TimeStampFilter</code> interface";
-
public static final String PARTITION_GROUPER_CLASS_CONFIG = "partition.grouper";
private static final String PARTITION_GROUPER_CLASS_DOC =
"Partition grouper class that implements the <code>KafkaGrouper</code> interface.";
@@ -119,8 +114,9 @@ public class KafkaConfig extends AbstractConfig implements Serializable {
"",
ConfigDef.Importance.HIGH,
GROUP_ID_DOC)
- .define(ZOOKEEPER_CONNECT_CONFIG, // required with no default value
+ .define(ZOOKEEPER_CONNECT_CONFIG,
ConfigDef.Type.STRING,
+ "",
ConfigDef.Importance.HIGH,
ZOOKEEPER_CONNECT_DOC)
.define(REPLICATION_FACTOR_CONFIG,
@@ -131,14 +127,9 @@ public class KafkaConfig extends AbstractConfig implements Serializable {
REPLICATION_FACTOR_DOC)
.define(MESSAGE_DECODER_CLASS_CONFIG,
ConfigDef.Type.CLASS,
- DefaultMessageDecoder.class.getName(),
+ DefaultKafkaMessageDecoder.class.getName(),
ConfigDef.Importance.MEDIUM,
MESSAGE_DECODER_CLASS_DOC)
- .define(TIMESTAMP_FILTER_CLASS_CONFIG,
- ConfigDef.Type.CLASS,
- DefaultTimeStampFilter.class.getName(),
- ConfigDef.Importance.MEDIUM,
- TIMESTAMP_FILTER_CLASS_DOC)
.define(PARTITION_GROUPER_CLASS_CONFIG,
ConfigDef.Type.CLASS,
DefaultPartitionGrouper.class.getName(),
@@ -228,7 +219,6 @@ public class KafkaConfig extends AbstractConfig implements Serializable {
props.remove(FETCH_THRESHOLD_CONFIG);
props.remove(PARTITION_GROUPER_CLASS_CONFIG);
props.remove(MESSAGE_DECODER_CLASS_CONFIG);
- props.remove(TIMESTAMP_FILTER_CLASS_CONFIG);
props.remove(REPLICATION_FACTOR_CONFIG);
props.remove(CHECKPOINT_STORE_NAME_PREFIX_CONFIG);
}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/KafkaMessageDecoder.scala
----------------------------------------------------------------------
diff --git a/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/KafkaMessageDecoder.scala b/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/KafkaMessageDecoder.scala
new file mode 100644
index 0000000..9357781
--- /dev/null
+++ b/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/KafkaMessageDecoder.scala
@@ -0,0 +1,36 @@
+/*
+ * 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.
+ */
+package org.apache.gearpump.streaming.kafka.lib
+
+import java.time.Instant
+
+import org.apache.gearpump._
+
+/**
+ * Decodes Kafka raw message of (key, value) bytes
+ */
+trait KafkaMessageDecoder extends java.io.Serializable {
+ /**
+ * @param key key of a kafka message, can be NULL
+ * @param value value of a kafka message
+ * @return a gearpump Message and watermark (i.e. event time progress)
+ */
+ def fromBytes(key: Array[Byte], value: Array[Byte]): MessageAndWatermark
+}
+
+case class MessageAndWatermark(message: Message, watermark: Instant)
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/source/AbstractKafkaSource.scala
----------------------------------------------------------------------
diff --git a/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/source/AbstractKafkaSource.scala b/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/source/AbstractKafkaSource.scala
index 314eae8..ba49899 100644
--- a/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/source/AbstractKafkaSource.scala
+++ b/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/source/AbstractKafkaSource.scala
@@ -24,6 +24,7 @@ import java.util.Properties
import com.twitter.bijection.Injection
import kafka.common.TopicAndPartition
import org.apache.gearpump.streaming.kafka.KafkaSource
+import org.apache.gearpump.streaming.kafka.lib.KafkaMessageDecoder
import org.apache.gearpump.streaming.kafka.lib.source.consumer.FetchThread.FetchThreadFactory
import org.apache.gearpump.streaming.kafka.lib.util.KafkaClient
import KafkaClient.KafkaClientFactory
@@ -46,17 +47,7 @@ object AbstractKafkaSource {
* Contains implementation for Kafka source connectors, users should use
* [[org.apache.gearpump.streaming.kafka.KafkaSource]].
*
- * This is a TimeReplayableSource which is able to replay messages given a start time.
- * Each kafka message is tagged with a timestamp by
- * [[org.apache.gearpump.streaming.transaction.api.MessageDecoder]] and the (timestamp, offset)
- * mapping is stored to a [[org.apache.gearpump.streaming.transaction.api.CheckpointStore]].
- * On recovery, we could retrieve the previously stored offset from the
- * [[org.apache.gearpump.streaming.transaction.api.CheckpointStore]] by timestamp and start to read
- * from there.
- *
- * kafka message is wrapped into gearpump [[org.apache.gearpump.Message]] and further filtered by a
- * [[org.apache.gearpump.streaming.transaction.api.TimeStampFilter]]
- * such that obsolete messages are dropped.
+ * This is a TimeReplayableSource which is able to replay messages from kafka given a start time.
*/
abstract class AbstractKafkaSource(
topic: String,
@@ -75,11 +66,9 @@ abstract class AbstractKafkaSource(
private lazy val kafkaClient: KafkaClient = kafkaClientFactory.getKafkaClient(config)
private lazy val fetchThread: FetchThread = fetchThreadFactory.getFetchThread(config, kafkaClient)
private lazy val messageDecoder = config.getConfiguredInstance(
- KafkaConfig.MESSAGE_DECODER_CLASS_CONFIG, classOf[MessageDecoder])
- private lazy val timestampFilter = config.getConfiguredInstance(
- KafkaConfig.TIMESTAMP_FILTER_CLASS_CONFIG, classOf[TimeStampFilter])
+ KafkaConfig.MESSAGE_DECODER_CLASS_CONFIG, classOf[KafkaMessageDecoder])
- private var startTime: Long = 0L
+ private var watermark: Instant = Instant.EPOCH
private var checkpointStoreFactory: Option[CheckpointStoreFactory] = None
private var checkpointStores: Map[TopicAndPartition, CheckpointStore] =
Map.empty[TopicAndPartition, CheckpointStore]
@@ -92,7 +81,7 @@ abstract class AbstractKafkaSource(
import context.{parallelism, taskId}
LOG.info("KafkaSource opened at start time {}", startTime)
- this.startTime = startTime.toEpochMilli
+ this.watermark = startTime
val topicList = topic.split(",", -1).toList
val grouper = config.getConfiguredInstance(KafkaConfig.PARTITION_GROUPER_CLASS_CONFIG,
classOf[PartitionGrouper])
@@ -102,7 +91,7 @@ abstract class AbstractKafkaSource(
fetchThread.setTopicAndPartitions(topicAndPartitions)
maybeSetupCheckpointStores(topicAndPartitions)
- maybeRecover()
+ maybeRecover(startTime.toEpochMilli)
}
/**
@@ -111,7 +100,7 @@ abstract class AbstractKafkaSource(
* @return a [[org.apache.gearpump.Message]] or null
*/
override def read(): Message = {
- fetchThread.poll.flatMap(filterAndCheckpointMessage).orNull
+ fetchThread.poll.map(decodeMessageAndCheckpointOffset).orNull
}
override def close(): Unit = {
@@ -120,22 +109,25 @@ abstract class AbstractKafkaSource(
LOG.info("KafkaSource closed")
}
+ override def getWatermark: Instant = watermark
+
/**
* 1. Decodes raw bytes into Message with timestamp
* 2. Filters message against start time
* 3. Checkpoints (timestamp, kafka_offset)
*/
- private def filterAndCheckpointMessage(kafkaMsg: KafkaMessage): Option[Message] = {
- val msg = messageDecoder.fromBytes(kafkaMsg.key.orNull, kafkaMsg.msg)
- LOG.debug("read message {}", msg)
- val filtered = timestampFilter.filter(msg, startTime)
- filtered.foreach { m =>
- val time = m.timestamp
- val offset = kafkaMsg.offset
- LOG.debug("checkpoint message state ({}, {})", time, offset)
- checkpointOffsets(kafkaMsg.topicAndPartition, time, offset)
- }
- filtered
+ private def decodeMessageAndCheckpointOffset(kafkaMsg: KafkaMessage): Message = {
+ val msgAndWmk = messageDecoder.fromBytes(kafkaMsg.key.orNull, kafkaMsg.msg)
+ LOG.debug("read message and watermark {}", msgAndWmk)
+
+ val msg = msgAndWmk.message
+ this.watermark = msgAndWmk.watermark
+ val time = msg.timestamp
+ val offset = kafkaMsg.offset
+ checkpointOffsets(kafkaMsg.topicAndPartition, time, offset)
+ LOG.debug("checkpoint message state ({}, {})", time, offset)
+
+ msg
}
private def checkpointOffsets(tp: TopicAndPartition, time: TimeStamp, offset: Long): Unit = {
@@ -153,7 +145,7 @@ abstract class AbstractKafkaSource(
}
}
- private def maybeRecover(): Unit = {
+ private def maybeRecover(startTime: TimeStamp): Unit = {
checkpointStores.foreach { case (tp, store) =>
for {
bytes <- store.recover(startTime)
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultKafkaMessageDecoder.scala
----------------------------------------------------------------------
diff --git a/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultKafkaMessageDecoder.scala b/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultKafkaMessageDecoder.scala
new file mode 100644
index 0000000..5e13230
--- /dev/null
+++ b/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultKafkaMessageDecoder.scala
@@ -0,0 +1,34 @@
+/*
+ * 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.
+ */
+
+package org.apache.gearpump.streaming.kafka.lib.source
+
+import java.time.Instant
+
+import org.apache.gearpump.Message
+import org.apache.gearpump.streaming.kafka.lib.{MessageAndWatermark, KafkaMessageDecoder}
+
+class DefaultKafkaMessageDecoder extends KafkaMessageDecoder {
+
+ override def fromBytes(key: Array[Byte], value: Array[Byte]): MessageAndWatermark = {
+ val time = Instant.now()
+ MessageAndWatermark(Message(value, time.toEpochMilli), time)
+ }
+
+}
+
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultMessageDecoder.scala
----------------------------------------------------------------------
diff --git a/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultMessageDecoder.scala b/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultMessageDecoder.scala
deleted file mode 100644
index 1c1214d..0000000
--- a/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultMessageDecoder.scala
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * 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.
- */
-
-package org.apache.gearpump.streaming.kafka.lib.source
-
-import com.twitter.bijection.Injection
-import org.apache.gearpump.Message
-import org.apache.gearpump.streaming.transaction.api.MessageDecoder
-
-import scala.util.{Failure, Success}
-
-class DefaultMessageDecoder extends MessageDecoder {
- override def fromBytes(key: Array[Byte], value: Array[Byte]): Message = {
- Message(value, System.currentTimeMillis())
- }
-}
-
-class StringMessageDecoder extends MessageDecoder {
- override def fromBytes(key: Array[Byte], value: Array[Byte]): Message = {
- Message(Injection.invert[String, Array[Byte]](value).get,
- System.currentTimeMillis())
- }
-}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/util/KafkaClient.scala
----------------------------------------------------------------------
diff --git a/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/util/KafkaClient.scala b/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/util/KafkaClient.scala
index 417b6de..581be6a 100644
--- a/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/util/KafkaClient.scala
+++ b/external/kafka/src/main/scala/org/apache/gearpump/streaming/kafka/lib/util/KafkaClient.scala
@@ -18,8 +18,6 @@
package org.apache.gearpump.streaming.kafka.lib.util
-import java.util.Properties
-
import kafka.admin.AdminUtils
import kafka.cluster.Broker
import kafka.common.TopicAndPartition
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/KafkaSourceSpec.scala
----------------------------------------------------------------------
diff --git a/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/KafkaSourceSpec.scala b/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/KafkaSourceSpec.scala
index 6ccb231..88d7420 100644
--- a/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/KafkaSourceSpec.scala
+++ b/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/KafkaSourceSpec.scala
@@ -24,15 +24,15 @@ import java.util.Properties
import com.twitter.bijection.Injection
import kafka.common.TopicAndPartition
import org.apache.gearpump.streaming.MockUtil
+import org.apache.gearpump.streaming.kafka.lib.{MessageAndWatermark, KafkaMessageDecoder}
import org.apache.gearpump.streaming.kafka.lib.source.consumer.FetchThread.FetchThreadFactory
import org.apache.gearpump.streaming.kafka.lib.source.grouper.PartitionGrouper
-import org.apache.gearpump.streaming.kafka.lib.util.KafkaClient
-import KafkaClient.KafkaClientFactory
+import org.apache.gearpump.streaming.kafka.lib.util.KafkaClient.KafkaClientFactory
import org.apache.gearpump.streaming.kafka.lib.source.consumer.{KafkaMessage, FetchThread}
import org.apache.gearpump.streaming.kafka.lib.util.KafkaClient
import org.apache.gearpump.streaming.kafka.util.KafkaConfig
import org.apache.gearpump.streaming.kafka.util.KafkaConfig.KafkaConfigFactory
-import org.apache.gearpump.streaming.transaction.api.{CheckpointStore, CheckpointStoreFactory, MessageDecoder, TimeStampFilter}
+import org.apache.gearpump.streaming.transaction.api.{CheckpointStore, CheckpointStoreFactory}
import org.apache.gearpump.Message
import org.mockito.Matchers._
import org.mockito.Mockito._
@@ -140,8 +140,7 @@ class KafkaSourceSpec extends PropSpec with PropertyChecks with Matchers with Mo
val properties = mock[Properties]
val config = mock[KafkaConfig]
val configFactory = mock[KafkaConfigFactory]
- val timestampFilter = mock[TimeStampFilter]
- val messageDecoder = mock[MessageDecoder]
+ val messageDecoder = mock[KafkaMessageDecoder]
val kafkaClient = mock[KafkaClient]
val clientFactory = mock[KafkaClientFactory]
val fetchThread = mock[FetchThread]
@@ -156,10 +155,8 @@ class KafkaSourceSpec extends PropSpec with PropertyChecks with Matchers with Mo
.getCheckpointStoreNameSuffix(tp))).thenReturn(store)
}
when(configFactory.getKafkaConfig(properties)).thenReturn(config)
- when(config.getConfiguredInstance(KafkaConfig.TIMESTAMP_FILTER_CLASS_CONFIG,
- classOf[TimeStampFilter])).thenReturn(timestampFilter)
when(config.getConfiguredInstance(KafkaConfig.MESSAGE_DECODER_CLASS_CONFIG,
- classOf[MessageDecoder])).thenReturn(messageDecoder)
+ classOf[KafkaMessageDecoder])).thenReturn(messageDecoder)
when(clientFactory.getKafkaClient(config)).thenReturn(kafkaClient)
when(threadFactory.getFetchThread(config, kafkaClient)).thenReturn(fetchThread)
@@ -174,8 +171,8 @@ class KafkaSourceSpec extends PropSpec with PropertyChecks with Matchers with Mo
msgQueue.foreach { kafkaMsg =>
when(fetchThread.poll).thenReturn(Option(kafkaMsg))
val message = Message(kafkaMsg.msg, kafkaMsg.offset)
- when(messageDecoder.fromBytes(kafkaMsg.key.get, kafkaMsg.msg)).thenReturn(message)
- when(timestampFilter.filter(message, 0)).thenReturn(Some(message))
+ val msgAndWmk = MessageAndWatermark(message, Instant.ofEpochMilli(kafkaMsg.offset))
+ when(messageDecoder.fromBytes(kafkaMsg.key.get, kafkaMsg.msg)).thenReturn(msgAndWmk)
source.read() shouldBe Message(kafkaMsg.msg, kafkaMsg.offset)
verify(checkpointStores(kafkaMsg.topicAndPartition)).persist(
kafkaMsg.offset, Injection[Long, Array[Byte]](kafkaMsg.offset))
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultKafkaMessageDecoderSpec.scala
----------------------------------------------------------------------
diff --git a/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultKafkaMessageDecoderSpec.scala b/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultKafkaMessageDecoderSpec.scala
new file mode 100644
index 0000000..81b2661
--- /dev/null
+++ b/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultKafkaMessageDecoderSpec.scala
@@ -0,0 +1,43 @@
+/*
+ * 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.
+ */
+
+package org.apache.gearpump.streaming.kafka.lib.source
+
+import com.twitter.bijection.Injection
+import org.scalacheck.Gen
+import org.scalatest.prop.PropertyChecks
+import org.scalatest.{Matchers, PropSpec}
+
+class DefaultKafkaMessageDecoderSpec extends PropSpec with PropertyChecks with Matchers {
+ property("DefaultMessageDecoder should keep the original bytes data in Message") {
+ val decoder = new DefaultKafkaMessageDecoder()
+ forAll(Gen.chooseNum[Int](0, 100), Gen.alphaStr) { (k: Int, v: String) =>
+ val kbytes = Injection[Int, Array[Byte]](k)
+ val vbytes = Injection[String, Array[Byte]](v)
+ val timestamp = System.currentTimeMillis()
+ val msgAndWmk = decoder.fromBytes(kbytes, vbytes)
+ val message = msgAndWmk.message
+ val watermark = msgAndWmk.watermark
+ message.msg shouldBe vbytes
+ // processing time as message timestamp and watermark
+ message.timestamp shouldBe watermark.toEpochMilli
+ message.timestamp should be >= timestamp
+ }
+ }
+}
+
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultMessageDecoderSpec.scala
----------------------------------------------------------------------
diff --git a/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultMessageDecoderSpec.scala b/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultMessageDecoderSpec.scala
deleted file mode 100644
index 843aab7..0000000
--- a/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/lib/source/DefaultMessageDecoderSpec.scala
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * 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.
- */
-
-package org.apache.gearpump.streaming.kafka.lib.source
-
-import com.twitter.bijection.Injection
-import org.scalacheck.Gen
-import org.scalatest.prop.PropertyChecks
-import org.scalatest.{Matchers, PropSpec}
-
-class DefaultMessageDecoderSpec extends PropSpec with PropertyChecks with Matchers {
- property("DefaultMessageDecoder should keep the original bytes data in Message") {
- val decoder = new DefaultMessageDecoder()
- forAll(Gen.chooseNum[Int](0, 100), Gen.alphaStr) { (k: Int, v: String) =>
- val kbytes = Injection[Int, Array[Byte]](k)
- val vbytes = Injection[String, Array[Byte]](v)
- val timestamp = System.currentTimeMillis()
- val message = decoder.fromBytes(kbytes, vbytes)
- message.msg shouldBe vbytes
- message.timestamp should be >= timestamp
- }
- }
-}
-
-class StringMessageDecoderSpec extends PropSpec with PropertyChecks with Matchers {
- property("StringMessageDecoder should decode original bytes data into string") {
- val decoder = new StringMessageDecoder()
- forAll(Gen.alphaStr, Gen.alphaStr) { (k: String, v: String) =>
- val kbytes = Injection[String, Array[Byte]](k)
- val vbytes = Injection[String, Array[Byte]](v)
- val timestamp = System.currentTimeMillis()
- val message = decoder.fromBytes(kbytes, vbytes)
- message.msg shouldBe v
- message.timestamp should be >= timestamp
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/lib/util/KafkaClientSpec.scala
----------------------------------------------------------------------
diff --git a/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/lib/util/KafkaClientSpec.scala b/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/lib/util/KafkaClientSpec.scala
index b2db243..8d2579f 100644
--- a/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/lib/util/KafkaClientSpec.scala
+++ b/external/kafka/src/test/scala/org/apache/gearpump/streaming/kafka/lib/util/KafkaClientSpec.scala
@@ -27,8 +27,10 @@ import org.apache.gearpump.streaming.kafka.util.{KafkaConfig, KafkaServerHarness
import org.apache.kafka.clients.producer.KafkaProducer
import org.apache.kafka.common.serialization.ByteArraySerializer
import org.scalatest.prop.PropertyChecks
-import org.scalatest.{Matchers, BeforeAndAfterEach, PropSpec}
+import org.scalatest.{Ignore, Matchers, BeforeAndAfterEach, PropSpec}
+// Ignore since KafkaClientSpec randomly fails on Travis
+@Ignore
class KafkaClientSpec extends PropSpec with PropertyChecks
with BeforeAndAfterEach with Matchers with KafkaServerHarness {
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/integrationtest/core/src/it/scala/org/apache/gearpump/integrationtest/checklist/DynamicDagSpec.scala
----------------------------------------------------------------------
diff --git a/integrationtest/core/src/it/scala/org/apache/gearpump/integrationtest/checklist/DynamicDagSpec.scala b/integrationtest/core/src/it/scala/org/apache/gearpump/integrationtest/checklist/DynamicDagSpec.scala
index 56b33c1..81e7b2a 100644
--- a/integrationtest/core/src/it/scala/org/apache/gearpump/integrationtest/checklist/DynamicDagSpec.scala
+++ b/integrationtest/core/src/it/scala/org/apache/gearpump/integrationtest/checklist/DynamicDagSpec.scala
@@ -42,7 +42,7 @@ class DynamicDagSpec extends TestSpecBase {
// todo: blocked by #1450
}
- "can replace down stream with wordcount's sum processor (new processor will have metrics)" in {
+ "can replace downstream with wordcount's sum processor (new processor will have metrics)" in {
// setup
val appId = expectSolJarSubmittedWithAppId()
@@ -57,7 +57,7 @@ class DynamicDagSpec extends TestSpecBase {
processorHasThroughput(appId, laterProcessors.keySet.max, "receiveThroughput")
}
- "can replace up stream with wordcount's split processor (new processor will have metrics)" in {
+ "can replace upstream with wordcount's split processor (new processor will have metrics)" in {
// setup
val appId = expectSolJarSubmittedWithAppId()
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/streaming/src/main/scala/org/apache/gearpump/streaming/appmaster/AppMaster.scala
----------------------------------------------------------------------
diff --git a/streaming/src/main/scala/org/apache/gearpump/streaming/appmaster/AppMaster.scala b/streaming/src/main/scala/org/apache/gearpump/streaming/appmaster/AppMaster.scala
index d1a03de..31e1151 100644
--- a/streaming/src/main/scala/org/apache/gearpump/streaming/appmaster/AppMaster.scala
+++ b/streaming/src/main/scala/org/apache/gearpump/streaming/appmaster/AppMaster.scala
@@ -147,7 +147,7 @@ class AppMaster(appContext: AppMasterContext, app: AppDescription) extends Appli
/** Handles messages from Tasks */
def taskMessageHandler: Receive = {
case clock: ClockEvent =>
- taskManager.foreach(_ forward clock)
+ clockService.foreach(_ forward clock)
case register: RegisterTask =>
taskManager.foreach(_ forward register)
case unRegister: UnRegisterTask =>
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/streaming/src/main/scala/org/apache/gearpump/streaming/appmaster/ClockService.scala
----------------------------------------------------------------------
diff --git a/streaming/src/main/scala/org/apache/gearpump/streaming/appmaster/ClockService.scala b/streaming/src/main/scala/org/apache/gearpump/streaming/appmaster/ClockService.scala
index 6fc0782..68db354 100644
--- a/streaming/src/main/scala/org/apache/gearpump/streaming/appmaster/ClockService.scala
+++ b/streaming/src/main/scala/org/apache/gearpump/streaming/appmaster/ClockService.scala
@@ -61,7 +61,7 @@ class ClockService(private var dag: DAG, store: AppDataStore) extends Actor with
minCheckpointClock = Some(startClock)
// Recover the application by restarting from last persisted startClock.
- // Only messge after startClock will be replayed.
+ // Only message after startClock will be replayed.
self ! StoredStartClock(startClock)
LOG.info(s"Start Clock Retrieved, starting ClockService, startClock: $startClock")
}
@@ -70,8 +70,8 @@ class ClockService(private var dag: DAG, store: AppDataStore) extends Actor with
}
override def postStop(): Unit = {
- Option(healthCheckScheduler).map(_.cancel())
- Option(snapshotScheduler).map(_.cancel())
+ Option(healthCheckScheduler).foreach(_.cancel())
+ Option(snapshotScheduler).foreach(_.cancel())
}
// Keep track of clock value of all processors.
@@ -118,13 +118,7 @@ class ClockService(private var dag: DAG, store: AppDataStore) extends Actor with
(processorId, clock)
}
- this.upstreamClocks = clocks.map { pair =>
- val (processorId, _) = pair
-
- val upstreams = dag.graph.incomingEdgesOf(processorId).map(_._1)
- val upstreamClocks = upstreams.flatMap(clocks.get)
- (processorId, upstreamClocks.toArray)
- }
+ this.upstreamClocks = getUpstreamClocks(clocks)
this.processorClocks = clocks.toArray.map(_._2)
@@ -147,24 +141,19 @@ class ClockService(private var dag: DAG, store: AppDataStore) extends Actor with
this.clocks = newClocks
- this.upstreamClocks = newClocks.map { pair =>
- val (processorId, _) = pair
-
- val upstreams = dag.graph.incomingEdgesOf(processorId).map(_._1)
- val upstreamClocks = upstreams.flatMap(newClocks.get)
- (processorId, upstreamClocks.toArray)
- }
+ this.upstreamClocks = getUpstreamClocks(clocks)
// Inits the clock of all processors.
- newClocks.foreach { pair =>
+ clocks.foreach { pair =>
val (processorId, processorClock) = pair
val upstreamClock = getUpStreamMinClock(processorId)
val birth = processorClock.life.birth
- if (dag.graph.inDegreeOf(processorId) == 0) {
- processorClock.init(Longs.max(birth, startClock))
- } else {
- processorClock.init(upstreamClock)
+ upstreamClock match {
+ case Some(clock) =>
+ processorClock.init(clock)
+ case None =>
+ processorClock.init(Longs.max(birth, startClock))
}
}
@@ -195,33 +184,40 @@ class ClockService(private var dag: DAG, store: AppDataStore) extends Actor with
stash()
}
- private def getUpStreamMinClock(processorId: ProcessorId): TimeStamp = {
- val clocks = upstreamClocks.get(processorId)
- if (clocks.isDefined) {
- if (clocks.get == null || clocks.get.length == 0) {
- Long.MaxValue
- } else {
- ProcessorClocks.minClock(clocks.get)
- }
- } else {
- Long.MaxValue
+ private def getUpstreamClocks(
+ clocks: Map[ProcessorId, ProcessorClock]): Map[ProcessorId, Array[ProcessorClock]] = {
+ clocks.foldLeft(Map.empty[ProcessorId, Array[ProcessorClock]]) {
+ case (accum, (processorId, clock)) =>
+ val upstreams = dag.graph.incomingEdgesOf(processorId).map(_._1)
+ if (upstreams.nonEmpty) {
+ val upstreamClocks = upstreams.collect(clocks)
+ if (upstreamClocks.nonEmpty) {
+ accum + (processorId -> upstreamClocks.toArray)
+ } else {
+ accum
+ }
+ } else {
+ accum
+ }
}
}
+ private def getUpStreamMinClock(processorId: ProcessorId): Option[TimeStamp] = {
+ upstreamClocks.get(processorId).map(ProcessorClocks.minClock)
+ }
+
def clockService: Receive = {
case GetUpstreamMinClock(task) =>
- sender ! UpstreamMinClock(getUpStreamMinClock(task.processorId))
+ getUpStreamMinClock(task.processorId).foreach(sender ! UpstreamMinClock(_))
case update@UpdateClock(task, clock) =>
- val upstreamMinClock = getUpStreamMinClock(task.processorId)
-
val processorClock = clocks.get(task.processorId)
if (processorClock.isDefined) {
processorClock.get.updateMinClock(task.index, clock)
} else {
LOG.error(s"Cannot updateClock for task $task")
}
- sender ! UpstreamMinClock(upstreamMinClock)
+ getUpStreamMinClock(task.processorId).foreach(sender ! UpstreamMinClock(_))
case GetLatestMinClock =>
sender ! LatestMinClock(minClock)
@@ -265,9 +261,9 @@ class ClockService(private var dag: DAG, store: AppDataStore) extends Actor with
dynamicDAG(dag, getStartClock)
} else {
// Restarts current dag.
- recoverDag(dag, getStartClock)
+ recoverDag(newDag, getStartClock)
}
- LOG.info(s"Change to new DAG(dag = ${dag.version}), send back ChangeToNewDAGSuccess")
+ LOG.info(s"Change to new DAG(dag = ${newDag.version}), send back ChangeToNewDAGSuccess")
sender ! ChangeToNewDAGSuccess(clocks.map { pair =>
val (id, clock) = pair
(id, clock.min)
@@ -287,6 +283,7 @@ class ClockService(private var dag: DAG, store: AppDataStore) extends Actor with
upstreamClocks = upstreamClocks - processorId
// Removes dead processor from checkpoints.
+ checkpointClocks = checkpointClocks.filter(_._1.processorId != processorId)
checkpointClocks = checkpointClocks.filter { kv =>
val (taskId, _) = kv
taskId.processorId != processorId
@@ -329,11 +326,11 @@ object ClockService {
case object HealthCheck
- class ProcessorClock(val processorId: ProcessorId, val life: LifeTime, val parallism: Int,
+ class ProcessorClock(val processorId: ProcessorId, val life: LifeTime, val parallelism: Int,
private var _min: TimeStamp = 0L, private var _taskClocks: Array[TimeStamp] = null) {
def copy(life: LifeTime): ProcessorClock = {
- new ProcessorClock(processorId, life, parallism, _min, _taskClocks)
+ new ProcessorClock(processorId, life, parallelism, _min, _taskClocks)
}
def min: TimeStamp = _min
@@ -342,7 +339,7 @@ object ClockService {
def init(startClock: TimeStamp): Unit = {
if (taskClocks == null) {
this._min = startClock
- this._taskClocks = new Array(parallism)
+ this._taskClocks = new Array(parallelism)
util.Arrays.fill(taskClocks, startClock)
}
}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/streaming/src/main/scala/org/apache/gearpump/streaming/appmaster/TaskManager.scala
----------------------------------------------------------------------
diff --git a/streaming/src/main/scala/org/apache/gearpump/streaming/appmaster/TaskManager.scala b/streaming/src/main/scala/org/apache/gearpump/streaming/appmaster/TaskManager.scala
index 48cc50e..085b3f0 100644
--- a/streaming/src/main/scala/org/apache/gearpump/streaming/appmaster/TaskManager.scala
+++ b/streaming/src/main/scala/org/apache/gearpump/streaming/appmaster/TaskManager.scala
@@ -103,8 +103,6 @@ private[appmaster] class TaskManager(
def receive: Receive = applicationReady(DagReadyState.empty)
private def onClientQuery(taskRegistry: TaskRegistry): Receive = {
- case clock: ClockEvent =>
- clockService forward clock
case GetTaskList =>
sender ! TaskList(taskRegistry.getTaskExecutorMap)
case LookupTaskActorRef(taskId) =>
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/streaming/src/main/scala/org/apache/gearpump/streaming/dsl/StreamApp.scala
----------------------------------------------------------------------
diff --git a/streaming/src/main/scala/org/apache/gearpump/streaming/dsl/StreamApp.scala b/streaming/src/main/scala/org/apache/gearpump/streaming/dsl/StreamApp.scala
index b6c087e..d45737b 100644
--- a/streaming/src/main/scala/org/apache/gearpump/streaming/dsl/StreamApp.scala
+++ b/streaming/src/main/scala/org/apache/gearpump/streaming/dsl/StreamApp.scala
@@ -111,6 +111,8 @@ object StreamApp {
class CollectionDataSource[T](seq: Seq[T]) extends DataSource {
private lazy val iterator: Iterator[T] = seq.iterator
+ override def open(context: TaskContext, startTime: Instant): Unit = {}
+
override def read(): Message = {
if (iterator.hasNext) {
Message(iterator.next())
@@ -121,5 +123,5 @@ class CollectionDataSource[T](seq: Seq[T]) extends DataSource {
override def close(): Unit = {}
- override def open(context: TaskContext, startTime: Instant): Unit = {}
+ override def getWatermark: Instant = Instant.now()
}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/streaming/src/main/scala/org/apache/gearpump/streaming/source/DataSource.scala
----------------------------------------------------------------------
diff --git a/streaming/src/main/scala/org/apache/gearpump/streaming/source/DataSource.scala b/streaming/src/main/scala/org/apache/gearpump/streaming/source/DataSource.scala
index f55d102..f4c87da 100644
--- a/streaming/src/main/scala/org/apache/gearpump/streaming/source/DataSource.scala
+++ b/streaming/src/main/scala/org/apache/gearpump/streaming/source/DataSource.scala
@@ -45,6 +45,7 @@ import org.apache.gearpump.Message
*/
trait DataSource extends java.io.Serializable {
+
/**
* Opens connection to data source
* invoked in onStart() method of [[org.apache.gearpump.streaming.source.DataSourceTask]]
@@ -67,4 +68,11 @@ trait DataSource extends java.io.Serializable {
* invoked in onStop() method of [[org.apache.gearpump.streaming.source.DataSourceTask]]
*/
def close(): Unit
+
+ /**
+ * Returns a watermark
+ * no timestamp earlier than the watermark
+ * should enter the system
+ */
+ def getWatermark: Instant
}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/streaming/src/main/scala/org/apache/gearpump/streaming/source/DataSourceTask.scala
----------------------------------------------------------------------
diff --git a/streaming/src/main/scala/org/apache/gearpump/streaming/source/DataSourceTask.scala b/streaming/src/main/scala/org/apache/gearpump/streaming/source/DataSourceTask.scala
index 468ae3b..5d1a11e 100644
--- a/streaming/src/main/scala/org/apache/gearpump/streaming/source/DataSourceTask.scala
+++ b/streaming/src/main/scala/org/apache/gearpump/streaming/source/DataSourceTask.scala
@@ -19,10 +19,13 @@
package org.apache.gearpump.streaming.source
import java.time.Instant
+import java.util.concurrent.TimeUnit
import org.apache.gearpump._
import org.apache.gearpump.cluster.UserConfig
-import org.apache.gearpump.streaming.task.{Task, TaskContext}
+import org.apache.gearpump.streaming.task.{UpstreamMinClock, Task, TaskContext}
+
+import scala.concurrent.duration._
object DataSourceTask {
val DATA_SOURCE = "data_source"
@@ -51,18 +54,23 @@ class DataSourceTask private[source](context: TaskContext, conf: UserConfig, sou
override def onStart(startTime: Instant): Unit = {
LOG.info(s"opening data source at $startTime")
source.open(context, startTime)
- self ! Message("start", System.currentTimeMillis())
+
+ self ! Watermark(source.getWatermark)
}
override def onNext(message: Message): Unit = {
0.until(batchSize).foreach { _ =>
- Option(source.read()).foreach(context.output)
+ Option(source.read()).foreach { msg =>
+ context.output(msg)
+ }
}
- self ! Message("continue", System.currentTimeMillis())
+
+ self ! Watermark(source.getWatermark)
}
override def onStop(): Unit = {
LOG.info("closing data source...")
source.close()
}
+
}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/streaming/src/main/scala/org/apache/gearpump/streaming/source/DefaultTimeStampFilter.scala
----------------------------------------------------------------------
diff --git a/streaming/src/main/scala/org/apache/gearpump/streaming/source/DefaultTimeStampFilter.scala b/streaming/src/main/scala/org/apache/gearpump/streaming/source/DefaultTimeStampFilter.scala
deleted file mode 100644
index df54cc2..0000000
--- a/streaming/src/main/scala/org/apache/gearpump/streaming/source/DefaultTimeStampFilter.scala
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * 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.
- */
-
-package org.apache.gearpump.streaming.source
-
-import org.apache.gearpump.streaming.transaction.api.TimeStampFilter
-import org.apache.gearpump.{Message, TimeStamp}
-
-/**
- * TimeStampFilter filters out messages which have obsolete (smaller) timestamp.
- */
-class DefaultTimeStampFilter extends TimeStampFilter {
- override def filter(msg: Message, predicate: TimeStamp): Option[Message] = {
- Option(msg).find(_.timestamp >= predicate)
- }
-}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/streaming/src/main/scala/org/apache/gearpump/streaming/source/Watermark.scala
----------------------------------------------------------------------
diff --git a/streaming/src/main/scala/org/apache/gearpump/streaming/source/Watermark.scala b/streaming/src/main/scala/org/apache/gearpump/streaming/source/Watermark.scala
new file mode 100644
index 0000000..36099c1
--- /dev/null
+++ b/streaming/src/main/scala/org/apache/gearpump/streaming/source/Watermark.scala
@@ -0,0 +1,29 @@
+/*
+ * 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.
+ */
+package org.apache.gearpump.streaming.source
+
+import java.time.Instant
+
+import org.apache.gearpump.Message
+
+/**
+ * message used by source task to report source watermark.
+ */
+case class Watermark(instant: Instant) {
+ def toMessage: Message = Message("watermark", instant.toEpochMilli)
+}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/streaming/src/main/scala/org/apache/gearpump/streaming/state/api/PersistentTask.scala
----------------------------------------------------------------------
diff --git a/streaming/src/main/scala/org/apache/gearpump/streaming/state/api/PersistentTask.scala b/streaming/src/main/scala/org/apache/gearpump/streaming/state/api/PersistentTask.scala
index aceff4a..5eaed40 100644
--- a/streaming/src/main/scala/org/apache/gearpump/streaming/state/api/PersistentTask.scala
+++ b/streaming/src/main/scala/org/apache/gearpump/streaming/state/api/PersistentTask.scala
@@ -19,8 +19,6 @@
package org.apache.gearpump.streaming.state.api
import java.time.Instant
-import java.util.concurrent.TimeUnit
-import scala.concurrent.duration.FiniteDuration
import org.apache.gearpump.cluster.UserConfig
import org.apache.gearpump.streaming.state.impl.{CheckpointManager, PersistentStateConfig}
@@ -30,7 +28,6 @@ import org.apache.gearpump.util.LogUtil
import org.apache.gearpump.{Message, TimeStamp}
object PersistentTask {
- val CHECKPOINT = Message("checkpoint")
val LOG = LogUtil.getLogger(getClass)
}
@@ -52,8 +49,6 @@ abstract class PersistentTask[T](taskContext: TaskContext, conf: UserConfig)
s"app$appId-task${taskId.processorId}_${taskId.index}")
val checkpointInterval = conf.getLong(PersistentStateConfig.STATE_CHECKPOINT_INTERVAL_MS).get
val checkpointManager = new CheckpointManager(checkpointInterval, checkpointStore)
- // System time interval to attempt checkpoint
- private val checkpointAttemptInterval = 1000L
/**
* Subclass should override this method to pass in a PersistentState. the framework has already
@@ -69,48 +64,41 @@ abstract class PersistentTask[T](taskContext: TaskContext, conf: UserConfig)
def processMessage(state: PersistentState[T], message: Message): Unit
/** Persistent state that will be stored (by checkpointing) automatically to storage like HDFS */
- val state = persistentState
+ private var state: PersistentState[T] = _
+
+ def getState: PersistentState[T] = state
final override def onStart(startTime: Instant): Unit = {
+ state = persistentState
val timestamp = startTime.toEpochMilli
checkpointManager
.recover(timestamp)
.foreach(state.recover(timestamp, _))
reportCheckpointClock(timestamp)
- scheduleCheckpoint(checkpointAttemptInterval)
}
final override def onNext(message: Message): Unit = {
- message match {
- case CHECKPOINT =>
- val upstreamMinClock = taskContext.upstreamMinClock
- if (checkpointManager.shouldCheckpoint(upstreamMinClock)) {
- checkpointManager.getCheckpointTime.foreach { checkpointTime =>
- val serialized = state.checkpoint()
- checkpointManager.checkpoint(checkpointTime, serialized)
- .foreach(state.setNextCheckpointTime)
- taskContext.output(Message(serialized, checkpointTime))
- reportCheckpointClock(checkpointTime)
- }
- }
- scheduleCheckpoint(checkpointAttemptInterval)
- case _ =>
- checkpointManager.update(message.timestamp)
+ checkpointManager.update(message.timestamp)
+ .foreach(state.setNextCheckpointTime)
+ processMessage(state, message)
+ }
+
+ final override def onWatermarkProgress(watermark: Instant): Unit = {
+ if (checkpointManager.shouldCheckpoint(watermark.toEpochMilli)) {
+ checkpointManager.getCheckpointTime.foreach { checkpointTime =>
+ val serialized = state.checkpoint()
+ checkpointManager.checkpoint(checkpointTime, serialized)
.foreach(state.setNextCheckpointTime)
- processMessage(state, message)
+ reportCheckpointClock(checkpointTime)
+ }
}
}
-
final override def onStop(): Unit = {
checkpointManager.close()
}
- private def scheduleCheckpoint(interval: Long): Unit = {
- scheduleOnce(new FiniteDuration(interval, TimeUnit.MILLISECONDS))(self ! CHECKPOINT)
- }
-
private def reportCheckpointClock(timestamp: TimeStamp): Unit = {
appMaster ! UpdateCheckpointClock(taskContext.taskId, timestamp)
}
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/streaming/src/main/scala/org/apache/gearpump/streaming/task/Task.scala
----------------------------------------------------------------------
diff --git a/streaming/src/main/scala/org/apache/gearpump/streaming/task/Task.scala b/streaming/src/main/scala/org/apache/gearpump/streaming/task/Task.scala
index c94dec4..5b174bd 100644
--- a/streaming/src/main/scala/org/apache/gearpump/streaming/task/Task.scala
+++ b/streaming/src/main/scala/org/apache/gearpump/streaming/task/Task.scala
@@ -21,7 +21,6 @@ package org.apache.gearpump.streaming.task
import java.time.Instant
import scala.concurrent.duration.FiniteDuration
-
import akka.actor.Actor.Receive
import akka.actor.{ActorRef, ActorSystem, Cancellable, Props}
import org.slf4j.Logger
@@ -157,6 +156,14 @@ trait TaskInterface {
* @return the handler
*/
def receiveUnManagedMessage: Receive = null
+
+ /**
+ * Method called on watermark update.
+ * Usually safe to output or checkpoint states earlier than watermark.
+ *
+ * @param watermark represents event time progress.
+ */
+ def onWatermarkProgress(watermark: Instant): Unit
}
abstract class Task(taskContext: TaskContext, userConf: UserConfig) extends TaskInterface {
@@ -188,4 +195,7 @@ abstract class Task(taskContext: TaskContext, userConf: UserConfig) extends Task
case msg =>
LOG.error("Failed! Received unknown message " + "taskId: " + taskId + ", " + msg.toString)
}
+
+ override def onWatermarkProgress(watermark: Instant): Unit = {}
+
}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/streaming/src/main/scala/org/apache/gearpump/streaming/task/TaskActor.scala
----------------------------------------------------------------------
diff --git a/streaming/src/main/scala/org/apache/gearpump/streaming/task/TaskActor.scala b/streaming/src/main/scala/org/apache/gearpump/streaming/task/TaskActor.scala
index 30a24fa..c0b6a29 100644
--- a/streaming/src/main/scala/org/apache/gearpump/streaming/task/TaskActor.scala
+++ b/streaming/src/main/scala/org/apache/gearpump/streaming/task/TaskActor.scala
@@ -23,6 +23,7 @@ import java.util
import java.util.concurrent.TimeUnit
import akka.actor._
+import org.apache.gearpump.streaming.source.{Watermark, DataSourceTask}
import org.slf4j.Logger
import org.apache.gearpump.cluster.UserConfig
import org.apache.gearpump.gs.collections.impl.map.mutable.primitive.IntShortHashMap
@@ -30,7 +31,7 @@ import org.apache.gearpump.metrics.Metrics
import org.apache.gearpump.serializer.SerializationFramework
import org.apache.gearpump.streaming.AppMasterToExecutor._
import org.apache.gearpump.streaming.ExecutorToAppMaster._
-import org.apache.gearpump.streaming.{Constants, ProcessorId}
+import org.apache.gearpump.streaming.ProcessorId
import org.apache.gearpump.util.{LogUtil, TimeOutScheduler}
import org.apache.gearpump.{Message, TimeStamp}
@@ -47,6 +48,7 @@ class TaskActor(
extends Actor with ExpressTransport with TimeOutScheduler {
var upstreamMinClock: TimeStamp = 0L
private var _minClock: TimeStamp = 0L
+ private var minClockReported: Boolean = true
def serializerPool: SerializationFramework = inputSerializerPool
@@ -194,7 +196,7 @@ class TaskActor(
// Put this as the last step so that the subscription is already initialized.
// Message sending in current Task before onStart will not be delivered to
// target
- onStart(Instant.ofEpochMilli(upstreamMinClock))
+ onStart(Instant.ofEpochMilli(_minClock))
appMaster ! GetUpstreamMinClock(taskId)
context.become(handleMessages(sender))
@@ -203,7 +205,7 @@ class TaskActor(
def waitForTaskRegistered: Receive = {
case start@TaskRegistered(_, sessionId, startClock) =>
this.sessionId = sessionId
- this.upstreamMinClock = startClock
+ this._minClock = startClock
context.become(waitForStartClock)
}
@@ -240,34 +242,15 @@ class TaskActor(
receiveMessage(message, sender)
case inputMessage: Message =>
receiveMessage(inputMessage, sender)
- case upstream@UpstreamMinClock(upstreamClock) =>
- this.upstreamMinClock = upstreamClock
-
- val subMinClock = subscriptions.foldLeft(Long.MaxValue) { (min, sub) =>
- val subMin = sub._2.minClock
- // A subscription is holding back the _minClock;
- // we send AckRequest to its tasks to push _minClock forward
- if (subMin == _minClock) {
- sub._2.sendAckRequestOnStallingTime(_minClock)
- }
- Math.min(min, subMin)
- }
-
- _minClock = Math.max(life.birth, Math.min(upstreamMinClock, subMinClock))
-
- val update = UpdateClock(taskId, _minClock)
- context.system.scheduler.scheduleOnce(CLOCK_REPORT_INTERVAL) {
- appMaster ! update
+ case watermark@Watermark(instant) =>
+ if (self.eq(sender) && minClockReported) {
+ updateUpstreamMinClock(instant.toEpochMilli)
+ minClockReported = false
}
+ receiveMessage(watermark.toMessage, sender)
- // Checks whether current task is dead.
- if (_minClock > life.death) {
- // There will be no more message received...
- val unRegister = UnRegisterTask(taskId, executorId)
- executor ! unRegister
-
- LOG.info(s"Sending $unRegister, current minclock: ${_minClock}, life: $life")
- }
+ case upstream@UpstreamMinClock(upstreamClock) =>
+ updateUpstreamMinClock(upstreamClock)
case ChangeTask(_, dagVersion, life, subscribers) =>
this.life = life
@@ -310,8 +293,8 @@ class TaskActor(
private def receiveMessage(msg: Message, sender: ActorRef): Unit = {
val messageAfterCheck = securityChecker.checkMessage(msg, sender)
messageAfterCheck match {
- case Some(msg) =>
- queue.add(msg)
+ case Some(m) =>
+ queue.add(m)
doHandleMessage()
case None =>
// TODO: Indicate the error and avoid the LOG flood
@@ -322,11 +305,44 @@ class TaskActor(
private def getSubscription(processorId: ProcessorId): Option[Subscription] = {
subscriptions.find(_._1 == processorId).map(_._2)
}
+
+ private def updateUpstreamMinClock(upstreamClock: TimeStamp): Unit = {
+ if (upstreamClock > this.upstreamMinClock) {
+ task.onWatermarkProgress(Instant.ofEpochMilli(this.upstreamMinClock))
+ }
+ this.upstreamMinClock = upstreamClock
+
+ val subMinClock = subscriptions.foldLeft(Long.MaxValue) { (min, sub) =>
+ val subMin = sub._2.minClock
+ // A subscription is holding back the _minClock;
+ // we send AckRequest to its tasks to push _minClock forward
+ if (subMin == _minClock) {
+ sub._2.sendAckRequestOnStallingTime(_minClock)
+ }
+ Math.min(min, subMin)
+ }
+
+ _minClock = Math.max(life.birth, Math.min(upstreamMinClock, subMinClock))
+
+ val update = UpdateClock(taskId, _minClock)
+ context.system.scheduler.scheduleOnce(CLOCK_REPORT_INTERVAL) {
+ appMaster ! update
+ minClockReported = true
+ }
+
+
+ // Checks whether current task is dead.
+ if (_minClock > life.death) {
+ // There will be no more message received...
+ val unRegister = UnRegisterTask(taskId, executorId)
+ executor ! unRegister
+
+ LOG.info(s"Sending $unRegister, current minclock: ${_minClock}, life: $life")
+ }
+ }
}
object TaskActor {
- // 3 seconds
- val CLOCK_SYNC_TIMEOUT_INTERVAL = 3 * 1000
// If the message comes from an unknown source, securityChecker will drop it
class SecurityChecker(task_id: TaskId, self: ActorRef) {
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/streaming/src/main/scala/org/apache/gearpump/streaming/task/TaskWrapper.scala
----------------------------------------------------------------------
diff --git a/streaming/src/main/scala/org/apache/gearpump/streaming/task/TaskWrapper.scala b/streaming/src/main/scala/org/apache/gearpump/streaming/task/TaskWrapper.scala
index 31c991e..1b3f30c 100644
--- a/streaming/src/main/scala/org/apache/gearpump/streaming/task/TaskWrapper.scala
+++ b/streaming/src/main/scala/org/apache/gearpump/streaming/task/TaskWrapper.scala
@@ -36,7 +36,7 @@ import org.apache.gearpump.{TimeStamp, Message}
* @param userConf user config
*/
class TaskWrapper(
- val taskId: TaskId, taskClass: Class[_ <: Task], context: TaskContextData,
+ val taskId: TaskId, val taskClass: Class[_ <: Task], context: TaskContextData,
userConf: UserConfig) extends TaskContext with TaskInterface {
private val LOG = LogUtil.getLogger(taskClass, task = taskId)
@@ -131,4 +131,8 @@ class TaskWrapper(
* containing environment.
*/
override def logger: Logger = LOG
+
+ override def onWatermarkProgress(watermark: Instant): Unit = {
+ task.foreach(_.onWatermarkProgress(watermark))
+ }
}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/529799cc/streaming/src/main/scala/org/apache/gearpump/streaming/transaction/api/MessageDecoder.scala
----------------------------------------------------------------------
diff --git a/streaming/src/main/scala/org/apache/gearpump/streaming/transaction/api/MessageDecoder.scala b/streaming/src/main/scala/org/apache/gearpump/streaming/transaction/api/MessageDecoder.scala
deleted file mode 100644
index 3ea33a5..0000000
--- a/streaming/src/main/scala/org/apache/gearpump/streaming/transaction/api/MessageDecoder.scala
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * 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.
- */
-
-package org.apache.gearpump.streaming.transaction.api
-
-import org.apache.gearpump.Message
-
-/**
- * Decodes raw bytes to Message.
- * It is usually written by end user and passed into TimeReplayableSource
- */
-trait MessageDecoder extends java.io.Serializable {
- /**
- * @param key key of a kafka message, can be NULL
- * @param value value of a kafka message
- * @return a gearpump Message
- */
- def fromBytes(key: Array[Byte], value: Array[Byte]): Message
-}