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Fast Cars, Big Data How Streaming can help Formula 1
1.
© 2017 MapR
TechnologiesMapR Confidential 1 Fast Cars, Big Data How Streaming Can Help Formula1 ? Tugdual Grall @tgrall
2.
© 2017 MapR
TechnologiesMapR Confidential 2 Agenda • What’s the point of data in motorsports? • Demo • Architecture • What’s next? • Q&A
3.
© 2017 MapR
TechnologiesMapR Confidential 3 What’s the point of data in motorsports?
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© 2017 MapR
TechnologiesMapR Confidential Some of the most heavily instrumented objects in the world https://www.metasphere.co.uk/telemetry-data-journey-f1/
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© 2017 MapR
TechnologiesMapR Confidential 5 Got examples? • Up to 300 sensors per car • Up to 2000 channels • Sensor data are sent to the paddock in 2ms • 1.5 billions of data points for a race • 5 billions for a full race weekend • 5/6Gb of compressed data per car for 90mn US Grand Prix 2014 : 243 Tb (race teams combined)!
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© 2017 MapR
TechnologiesMapR Confidential Data Communication
7.
© 2017 MapR
TechnologiesMapR Confidential 7
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© 2017 MapR
TechnologiesMapR Confidential 8 Data in Motorsports F1 Framework - http://f1framework.blogspot.de/2013/08/short-guide-to-f1-telemetry-spa-circuit.html RPM speed Lateral acceleration gear throttle Brake pressure
9.
© 2017 MapR
TechnologiesMapR Confidential 9 Race Strategy F1 Framework - http://f1framework.blogspot.be/2013/08/race-strategy-explained.html
10.
© 2017 MapR
TechnologiesMapR Confidential 10 How does that work?
11.
© 2017 MapR
TechnologiesMapR Confidential Replicating Stream Topic FIA Stream Topic Stream Topic Team Engineers Trackside Production System Outline Ad-hoc analysis Other Data Sources Real-time analysis Reporting Streaming Factory Operations Room MAPR EDGE MAPR EDGE Kafka APIKafka API Kafka API Kafka API Kafka API
12.
© 2017 MapR
TechnologiesMapR Confidential Simplified Demo System Outline Ad-hoc analysis MapR Sandbox Torcs race simulator D3 Real-time analysis Kafka API Kafka API Kafka API
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© 2017 MapR
TechnologiesMapR Confidential 13 TORCS for Cars, Physics & Drivers • The Open Racing Car Simulator – http://torcs.sourceforge.net/ • a pseudo-physics based racing simulator • AI Game & Research Platform
14.
© 2017 MapR
TechnologiesMapR Confidential 14 Architecture Event Producers Event Consumers sensor data Real Time Analytics with SQL https://github.com/mapr-demos/racing-time-series Stream Topic Kafka API Kafka API
15.
© 2017 MapR
TechnologiesMapR Confidential 15 Demo
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© 2017 MapR
TechnologiesMapR Confidential 16 How to Capture IOT events at scale?
17.
© 2017 MapR
TechnologiesMapR Confidential Traditional Message queue
18.
© 2017 MapR
TechnologiesMapR Confidential 18 Data Streaming Moving millions of events per h|mn|s
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© 2017 MapR
TechnologiesMapR Confidential 19 What is Kafka? • http://kafka.apache.org/ • Created at LinkedIn, open sourced in 2011 • Distributed messaging system built to scale • Implemented in Scala / Java
20.
© 2017 MapR
TechnologiesMapR Confidential Topics Organize Events Into Categories And Decouple Producers from Consumers
21.
© 2017 MapR
TechnologiesMapR Confidential 21 Topics are Partitioned for Concurrency and Scalability
22.
© 2017 MapR
TechnologiesMapR Confidential Partition message order is like a Queue Partitions: • Messages are appended to the end • delivered in order received Offset: • Sequential id of a message
23.
© 2017 MapR
TechnologiesMapR Confidential Partition message order is like a Queue • Producers Append New messages to end • Consumers Read from front • Read cursor: offset ID of most recent read message
24.
© 2017 MapR
TechnologiesMapR Confidential Unlike a Queue, events are still persisted after delivered • Messages remain on the partition, available to other consumers • Minimizes Non-Sequential disk read-writes
25.
© 2017 MapR
TechnologiesMapR Confidential 25 Processing of the same message for different views
26.
© 2017 MapR
TechnologiesMapR Confidential 26 Processing of the same message for different views
27.
© 2017 MapR
TechnologiesMapR Confidential 27 MapR Streams • Distributed messaging system built to scale • Use Apache Kafka API 0.9.0 • No code change • Does not use the same “broker” architecture – Log stored in MapR Storage (Scalable, Secured, Fast, Multi DC) – No Zookeeper
28.
© 2017 MapR
TechnologiesMapR Confidential 28 Produce Messages ! ProducerRecord<String, byte[]> rec = new ProducerRecord<>(! “/apps/racing/stream:sensors_data“,! eventName,! value.toString().getBytes());! ! producer.send(rec, (recordMetadata, e) -> {! if (e != null) { … });! ! producer.flush();!
29.
© 2017 MapR
TechnologiesMapR Confidential 29 Consume Messages long pollTimeOut = 800;! while(true) {! ! ConsumerRecords<String, String> records = consumer.poll(pollTimeOut);! if (!records.isEmpty()) {! Iterable<ConsumerRecord<String, String>> iterable = records.iterator();! ! while (iterable.hasNext()) {! ConsumerRecord<String, String> record = iterable.next();! System.out.println(record.value());! ! }! ! ! } ! }!
30.
© 2017 MapR
TechnologiesMapR Confidential 30 Consume Messages long pollTimeOut = 800;! while(true) {! ! ConsumerRecords<String, String> records = consumer.poll(pollTimeOut);! if (!records.isEmpty()) {! Iterable<ConsumerRecord<String, String>> iterable = records::iterator;! ! StreamSupport! .stream(iterable.spliterator(), false)! .forEach((record) -> {! // work with record object! record.value();! …! ! ! });! consumer.commitAsync();! }! }!
31.
© 2017 MapR
TechnologiesMapR Confidential 31 Where/How to store data ?
32.
© 2017 MapR
TechnologiesMapR Confidential 32 Big Datastore Distributed File System HDFS/MapR-FS NoSQL Database HBase/MapR-DB ….
33.
© 2017 MapR
TechnologiesMapR Confidential Relational Database vs. MapR-DB/HBase
34.
© 2017 MapR
TechnologiesMapR Confidential Designed for Partitioning and Scaling
35.
© 2017 MapR
TechnologiesMapR Confidential 35 What’s next?
36.
© 2017 MapR
TechnologiesMapR Confidential Tables as Objects, Objects as Tables c1 c2 c3 Row-wise form c1 c2 c3 Column-wise form [ { c1:v1, c2:v2, c3:v3 }, { c1:v1, c2:v2, c3:v3 }, { c1:v1, c2:v2, c3:v3 } ] List of objects { c1:[v1, v2, v3], c2:[v1, v2, v3], c3:[v1, v2, v3] } Object containing lists Data collected is in JSON
37.
© 2017 MapR
TechnologiesMapR Confidential 37 Sensor Data V1 • For speed group sensor data • Each message contains array of Sensor data: – Speed (m/s) – RPM – Distance (m) { "_id":"1.458141858E9/0.324", "car" = "car1", "timestamp":1458141858, "racetime”:0.324, "records": [ { "sensors":{ "Speed":3.588583, "Distance":2003.023071, "RPM":1896.575806 }, "racetime":0.324, "timestamp":1458141858 }, { "sensors":{ "Speed":6.755624, "Distance":2004.084717, "RPM":1673.264526 }, "racetime":0.556, "timestamp":1458141858 },
38.
© 2017 MapR
TechnologiesMapR Confidential 38 Capture more data
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© 2017 MapR
TechnologiesMapR Confidential 39 Sensor Data V2 • Add 2 more data points: – Speed (m/s) – RPM – Distance (m) – Throttle – Gears – … { "_id":"1.458141858E9/0.324", "car" = "car1", "timestamp":1458141858, "racetime”:0.324, "records": [ { "sensors":{ "Speed":3.588583, "Distance":2003.023071, "RPM":1896.575806, "gear" : 2 }, "racetime":0.324, "timestamp":1458141858 }, { "sensors":{ "Speed":6.755624, "Distance":2004.084717, “RPM":1673.264526, "gear" : 2 }, "racetime":0.556, "timestamp":1458141858 },
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TechnologiesMapR Confidential 40 Add new services
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TechnologiesMapR Confidential 41 New Data Service Event Producers Event Consumers sensor data Real Time Analytics with SQL https://github.com/mapr-demos/racing-time-series Stream Topic Alerts
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TechnologiesMapR Confidential 42 • Cluster Computing Platform • Extends “MapReduce” with extensions – Streaming – Interactive Analytics • Run in Memory • http://spark.apache.org/
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TechnologiesMapR Confidential 43 • Streaming Dataflow Engine – Datastream/Dataset APIs – CEP, Graph, ML • Run in Memory • https://flink.apache.org/
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TechnologiesMapR Confidential Apache Flink Stack 44 DataStream API Stream Processing DataSet API Batch Processing Run/me Distributed Streaming Data Flow Libraries Streaming and batch as first class citizens.!
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TechnologiesMapR Confidential A Stream Processing Pipeline 45 collect capture analyze Store and serve Topic
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TechnologiesMapR Confidential 46 Flink Consumer processing DataStream stream = env.addSource(! new FlinkKafkaConsumer09<>("/apps/racing/stream:sensors_data",! new JSONDeserializationSchema(),! properties)! );! ! ! stream.flatMap(new CarEventParser())! .keyBy(0)! .timeWindow(Time.seconds(10))! .reduce(new AvgReducer())! .flatMap(new AvgMapper())! .map(new AvgPrinter())! .print();!
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TechnologiesMapR Confidential 47 Flink Consumer processing ! ! class AvgReducer implements ReduceFunction<Tuple3<String, Float, Integer>> {! @Override! public Tuple3<String, Float, Integer> reduce(Tuple3<String, Float,Integer> value1,! Tuple3<String, Float, Integer> value2) {! return new Tuple3<>(value1.f0, value1.f1 + value2.f1, value1.f2+1);! }! }! ! ! class AvgMapper implements FlatMapFunction<Tuple3<String, Float, Integer>, ! Tuple2<String, Float>> {! @Override! public void flatMap(Tuple3<String, Float, Integer> carInfo, ! Collector<Tuple2<String, Float>> out) throws Exception {! out.collect( new Tuple2<>( carInfo.f0 , carInfo.f1/carInfo.f2 ) );! }! }!
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TechnologiesMapR Confidential What is Drill? • SQL query engine for data/apps on Hadoop • Schema op4onal - query schema-less data in situ • Provides low latency interactive response times • SQL engine on “everything” • Semi structured formats – Ex: JSON • Structured formats – Ex: parquet • Ecosystem components – Hbase, MapRDB, Hive
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TechnologiesMapR Confidential Apache Drill: Drillbit components • RPC Endpoint • SQL Parser • Op4mizer • Storage plug ins • Built in plugins for Hive, Hbase, MapRDB, DFS, traditional Linux filesystems
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TechnologiesMapR Confidential Apache Drill Architecture
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TechnologiesMapR Confidential Drill Query Example SELECT * FROM dfs.logs`/telemetry/all_cars` LIMIT 10
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TechnologiesMapR Confidential Drill Query Example: average speed by car and race SELECT race_id, car, ROUND(AVG( `t`.`records`.`sensors`.`Speed` ),2) as `mps`, ROUND(AVG( `t`.`records`.`sensors`.`Speed` * 18 / 5 ), 2) as `kph` FROM ( SELECT race_id, car, flatten(records) as `records` FROM dfs.`/telemetry/all_cars` ) AS `t` GROUP BY race_id, car
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TechnologiesMapR Confidential 53 Streaming Architecture & Formula 1 • Stream & Process data in real time – Use distributed & scalable processing and storage – NoSQL Database • Decouple the source from the consumer(s) – Dashboard, Analytics, Machine Learning – Add new use case….
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TechnologiesMapR Confidential 54 Streaming Architecture & Formula 1 • Stream & Process data in real time – Use distributed & scalable processing and storage – NoSQL Database, Distributed File System • Decouple the source from the consumer(s) – Dashboard, Analytics, Machine Learning – Add new use case…. This is not only about Formula 1! (Telco, Finance, Retail, Content, IT)
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TechnologiesMapR Confidential To Learn More: • Download example code – https://github.com/mapr-demos/racing-time-series. – Read explanation of example code – https://mapr.com/blog/fast-cars-fast-data-formula1 – https://mapr.com/blog/monitoring-uber-with-spark-streaming-kafka-and- vertx/
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TechnologiesMapR Confidential 56 MONITORING UBER DATA USING SPARK MACHINE LEARNING, STREAMING, THE KAFKA API, AND VERT.X
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TechnologiesMapR Confidential 57 MONITORING UBER DATA USING SPARK MACHINE LEARNING, STREAMING, THE KAFKA API, AND VERT.X https://mapr.com/blog/monitoring-uber-with-spark-streaming-kafka-and-vertx/
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TechnologiesMapR Confidential 58 MONITORING UBER DATA USING SPARK MACHINE LEARNING, STREAMING, THE KAFKA API, AND VERT.X https://mapr.com/blog/monitoring-uber-with-spark-streaming-kafka-and-vertx/
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TechnologiesMapR Confidential 59 One Last Thing… Events Producers Events Consumers Web Socket https://github.com/mapr-demos/racing-time-series BLE MapR-Streams Apache Kafka
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TechnologiesMapR Confidential MapR Blog • https://www.mapr.com/blog/
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TechnologiesMapR Confidential …helping you put data technology to work ● Find answers ● Ask technical questions ● Join on-demand training course discussions ● Follow release announcements ● Share and vote on product ideas ● Find Meetup and event listings Connect with fellow Apache Hadoop and Spark professionals community.mapr.com
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TechnologiesMapR Confidential 62 Open Source Engines & Tools Commercial Engines & Applications Utility-Grade Platform Services DataProcessing Web-Scale Storage MapR-FS MapR-DB Search and Others Real Time Unified Security Multi-tenancy Disaster Recovery Global NamespaceHigh Availability MapR Streams Cloud and Managed Services Search and Others UnifiedManagementandMonitoring Search and Others Event StreamingDatabase Custom Apps MapR Converged Data Platform
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TechnologiesMapR Confidential Stream Processing Building a Complete Data Architecture MapR File System (MapR-FS) MapR Converged Data Platform MapR Database (MapR-DB) MapR Streams Sources/Apps Bulk Processing
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