2018年Uber搭建基于Kafka的跨数据中心复制平台.pdf

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1、How Uber Builds A Cross Data Center Replication Platform on Apache Kafka01 Apache Kafka at Uber02 Apache Kafka pipeline&replication03 uReplicator04 Data loss detection05 Q&AAgendaReal-time Dynamic PricingStreamProcessingDynamic pricing App ViewsVehicle InformationApache KafkaUber Eats-Real-Time ETAs

2、A bunch more.Fraud DetectionDriver&Rider Sign-ups,etc.Apache Kafka-Use CasesGeneral pub-sub,messaging queueStream processing AthenaX-self-service streaming analytics platform(Apache Samza&Apache Flink)Database changelog transportCassandra,MySQL,etc.Ingestion HDFS,S3LoggingData Infrastructure UberPRO

3、DUCERSCONSUMERSReal-time Analytics,Alerts,DashboardsSamza/FlinkApplicationsData ScienceAnalyticsReportingKafkaVertica/HiveRider AppDriver AppAPI/ServicesEtc.Ad-hoc ExplorationELKDebuggingHadoopSurgeMobile AppCassandraMySQLDATABASES(Internal)ServicesAWS S3PaymentPBsMessages/DayTrillionsData Tens of T

4、housands TopicsScaleexcluding replication01 Apache Kafka at Uber02 Apache Kafka pipeline&replication03 uReplicator04 Data loss detection05 Q&AAgendaApache Kafka Pipeline UberDC2DC1ApplicationsProxyClientKafka RESTProxyRegionalKafkaApplicationsProxyClientKafka RESTProxyRegionalKafkaSecondaryApache Ka

5、fkaAggregateKafkauReplicatorOffset Sync ServiceAggregateKafkauReplicatorAggregationRegionalKafkaRegionalKafkaAggregateKafkauReplicatorOffset Sync ServiceAggregateKafkauReplicatorDC1DC2Global viewCross-Data Center FailoverRegionalKafkaRegionalKafkaAggregateKafkauReplicatorOffset Sync ServiceAggregate

6、KafkauReplicatorDC1DC2During runtimeuReplicator reports offset mapping to offset sync serviceOffset sync service is all-active and the offset info is replicated across data centersDuring failoverConsumers ask offset sync service for offsets to resume consumption based on its last commit offsetsOffse