Bringing Streaming Data To The Masses: Lowering The “Cost Of Admission” For Your Streaming Data Platform
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(Bob Lehmann, Bayer) Kafka Summit SF 2018 You’ve built your streaming data platform. The early adopters are “all in” and have developed producers, consumers and stream processing apps for a number of use cases. A large percentage of the enterprise, however, has expressed interest but hasn’t made the leap. Why? In 2014, Bayer Crop Science (formerly Monsanto) adopted a cloud first strategy and started a multi-year transition to the cloud. A Kafka-based cross-datacenter DataHub was created to facilitate this migration and to drive the shift to real-time stream processing. The DataHub has seen strong enterprise adoption and supports a myriad of use cases. Data is ingested from a wide variety of sources and the data can move effortlessly between an on premise datacenter, AWS and Google Cloud. The DataHub has evolved continuously over time to meet the current and anticipated needs of our internal customers. The “cost of admission” for the platform has been lowered dramatically over time via our DataHub Portal and technologies such as Kafka Connect, Kubernetes and Presto. Most operations are now self-service, onboarding of new data sources is relatively painless and stream processing via KSQL and other technologies is being incorporated into the core DataHub platform. In this talk, Bob Lehmann will describe the origins and evolution of the Enterprise DataHub with an emphasis on steps that were taken to drive user adoption. Bob will also talk about integrations between the DataHub and other key data platforms at Bayer, lessons learned and the future direction for streaming data and stream processing at Bayer.
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Bringing Streaming Data To The Masses: Lowering The “Cost Of Admission” For Your Streaming Data Platform
- 1. Bringing Streaming Data To The Masses Lowering The "Cost Of Admission” For Your Streaming Data Platform San Francisco, CA October 17th , 2018
- 3. About Me • Bob Lehmann • Started life as an Electrical Engineer, switched to IT 20 years ago • Have worked with data in many capacities – sensors and controls, manufacturing process data, ERP systems, enterprise data, etc. • Architect and manage the Enterprise DataHub at Bayer • Live in St. Louis, MO
- 4. Who are we?
- 5. Who are we?
- 8. The Journey Starts Here Circa 2014… • Siloed IT org with different tech stacks (Bayer IT org > 4000) • MANY legacy systems and platforms • Bayer adopted “cloud first” philosophy • Embraced open source (finally J) • Cross functional team of architects was established to define strategies and architectures DIRECTIVE: Develop a strategy for cloud-based enterprise wide analytics
- 9. Houston, We Have A Data Problem • Data sprawl • Data inconsistency • Difficult to find data • Can’t propagate changes fast enough Legacy • Increased data sprawl • Can’t forklift applications to cloud • Cloud apps need on- prem data and vice- versa Cloud Volume Variety Velocity Veracity
- 10. Let’s Clean Up This Mess! Relational Databases App App App Cache Poll For Changes Caches & Derived Stores Relational Data Warehouse ODS Data Guard Hadoop CSV Dump Transforms Transforms Apps and Services Splunk ActiveMQ Apps ActiveMQ Apps Apps Log Aggregation HTTP NFS NFS rsync Transform & Load Load Monitoring Apps and ServicesApps and Services HTTP Key-value Store Apps OLTP Queries Kafka Log Search Monitoring Real-time Analytics Social Graph Search Newsfeed OLAP Samza Apps Key-Value Storage Oracle Apps AppsAppsApps Security & Fraud Hadoop Teradata Apps Courtesy: Jay Kreps
- 11. The Enterprise DataHub – Original Concept - Kafka clusters on prem and in AWS - Datacenter agnostic - Establish cross-datacenter connection - Replicate across datacenters - Apps only interact with local Kafka cluster - Use AVRO schemas VPN Use Schema Registry Mirrormaker? Maybe GCP in the future?
- 12. Enterprise DataHub POC Circa 2015 EC2 Instance MirrorMaker MirrorMaker MirrorMaker MirrorMaker MirrorMaker MirrorMaker Kafka Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 Topic 6 Kafka Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 Topic 6 REST Proxy Schema Registry Schema Registry REST Proxy ZookeeperZookeeper Oracle SQL Server Cloud Foundry Producer Producer Network Monitor Application Ticketing Application Other Monitoring Apps Postgres RDS Cloud Foundry Consumer Consumer Consumer Confluent 1.0 / Kafka 0.8 VPN Tunnel
- 13. What a Long, Strange Trip It’s Been! First Phase The Launch Second Phase Reaching Orbit Third Phase Escaping Gravity Current Phase To Infinity And Beyond… Kafka Kafka Streams Portal Portal KSQL Kafka Connect Portal Documentation Site
- 14. First Phase - The Launch September, 2016 • Confluent 2.0 / Kafka 0.9 • Security via SSL certs – developed patch to dynamically load broker certs • Replicant - Process to replace Mirrormaker • Basic platform monitoring • Most user interaction via command line tools EC2 Container Service Replicant Replicant Replicant Replicant Kafka Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 Topic 6 Kafka Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 Topic 6 REST Proxy Schema Registry Schema Registry REST Proxy VPN Tunnel Core Platform Monitoring Documentation Portal Kafka Manager
- 15. Phase 1 Results First Phase The Launch Second Phase Reaching Orbit Third Phase Escaping Gravity Current Phase To Infinity And Beyond… Kafka Kafka Streams Portal Portal KSQL Kafka Connect Portal Documentation Site • Java/Scala Developers • AWS skills • Linux command line • Data movement from on-prem to cloud • Customer 360 – bidirectional movement
- 16. Phase 2 - Reaching Orbit • Self Service User Portal • Improved replication process - Replikant • Security Improvements • Infrastructure automation • Monitoring for topics and consumers • Slack integration for alerts • Initial evaluation of Kafka connect Replikant Cluster Replikant Replikant Replikant Replikant Replikant Cluster Replikant Replikant Replikant Replikant Kafka Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 Topic 6 Kafka Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 Topic 6 REST Proxy Schema Registry Schema Registry REST Proxy VPN Tunnel Core Platform Monitoring Documentation Portal Kafka Manager User Self-Service Portal Consumer and Replikant Monitoring Slack Integration
- 17. DataHub Portal
- 21. Phase 2 Results First Phase The Launch Second Phase Reaching Orbit Third Phase Escaping Gravity Current Phase To Infinity And Beyond… Kafka Kafka Streams Portal Portal KSQL Kafka Connect Portal Documentation Site • Java/Scala Developers • AWS skills • Linux command line • Data movement from on-prem to cloud • Customer 360 – bidirectional movement • Python, Node, etc. • Some Analytics • Some BI • Event sourcing • Company360 • Exadata CDC • Incremental migration to the cloud
- 22. Stage 3 - Leaving Orbit • Kubernetes / Kafka Connect • Expansion to Google Cloud • CDC from SAP using Informatica Data Replication • Integration with Data Historian • Detailed training class Replikant Cluster Replikant Replikant Replikant Replikant Replikant Cluster Replikant Replikant Replikant Replikant Kafka Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 Topic 6 Kafka Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 Topic 6 REST Proxy Schema Registry Schema Registry REST Proxy VPN Tunnel Core Platform Monitoring Documentation Portal Kafka Manager User Self-Service Portal Consumer and Replikant Monitoring Slack Integration Kubernetes JDBC Connector S3 Connector JMS Connector Elasticsearch Connector Kubernetes JDBC Connector JDBC Connector JDBC Connector JMS Connector Data Historian Ingestion EMR Hive SparkPresto S3/ Parquet
- 23. • Code-free, simple • Connector universe is expanding rapidly • Secure - SSL connection • AVRO support Kafka Connect and Kubernetes • JDBC (Oracle, Postges, MySQL, SQL Server, Teradata, Redshift) • JMS • S3 • File • Elasticsearch Connecters In Use • Highly scalable • Cluster in each environment • Keeps processing local to the environment • Efficient use of resources • Increased security KubernetesKafka Connect
- 26. Phase 3 Results First Phase The Launch Second Phase Reaching Orbit Third Phase Escaping Gravity Current Phase To Infinity And Beyond… Kafka Kafka Streams Portal Portal KSQL Kafka Connect Portal Documentation Site • Java/Scala Developers • AWS skills • Linux command line • Data movement from on-prem to cloud • Customer 360 – bidirectional movement • Data movement between all datacenters on central platform • LIMS Integration • Serverless apps in AWS • SAP/Oracle CDC • Product360 in GCP - Go • BI / Reporting • Analytics platform • Python, Node, etc. • Some Analytics • Some BI • Event sourcing • Company360 • Exadata CDC • Incremental migration to the cloud
- 27. Current Phase – To Infinity And Beyond • Bring stream processing to the masses! • Data validation across the pipeline • SQL interface for Kafka (using Presto) • Improve topic discoverability and reuse • Expose consumer metrics to end users Replikant Cluster Replikant Replikant Replikant Replikant Replikant Cluster Replikant Replikant Replikant Replikant Kafka Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 Topic 6 Kafka Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 Topic 6 REST Proxy Schema Registry Schema Registry REST Proxy VPN Tunnel Kubernetes I/O File Connector JDBC Connector JDBC Connector JMS Connector Stream Processing KSQL Kafka Streams Custom Stream Proc Kubernetes I/O File Connector JDBC Connector S3 Connector Elasticsearch Connector Stream Processing KSQL Kafka Streams Custom Stream Proc Data Historian Ingestion EMR Hive SparkPresto S3/ Parquet Presto SQL Engine Haystack Metadata Platform
- 28. Many Clients In Many Places Managed By DataHub Team GoldenGate CDC Oracle SQL Server TeraData ExaData Neo4J Cloud Foundry ProducerProducerProducers ConsumerConsumerConsumers ConsumerConsumerApplications Legacy Apps (WebLogic) Legacy Apps (WebLogic) Legacy Apps EMR S3/ Parquet Postgres Cloud Foundry ProducerProducerProducers ConsumerConsumerConsumers ConsumerConsumerApplications MySQL Cassandra RedShift Integration With salesforce.com Replikant Cluster Replikant Replikant Replikant Replikant Replikant Cluster Replikant Replikant Replikant Replikant Kafka Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 Topic 6 Kafka Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 Topic 6 REST Proxy Schema Registry Schema Registry REST Proxy VPN Tunnel Core Platform Monitoring Documentation Portal Kafka Manager User Self-Service Portal Consumer and Replikant Monitoring Slack Integration
- 30. Use Case – CDC From SAP to Data Historian Schema Splitter converts an input stream with a “generic” schema (many different tables flowing through one topic) to individual table streams with table specific schemas Data Historian Ingestion EMR Hive SparkPresto S3/ Parquet Kubernetes Cluster Schema Splitter KSQL Filter KSQL Agg Kafka Streams Proc Replikant Cluster Replikant Kafka Schema Registry Schema Registry ZookeeperZookeeper Oracle ETL SAP Informatica Data Replication Kafka DB Schema 2 DB Schema 4 DB Schema 1 DB Schema 3 Teradata Staging Teradata Final Table 1 Table 3 DB Schema 1 Table 2 Replikant Replikant Replikant VPN Tunnel
- 31. Topic Reuse • Not as good as we would like. Why? • Discoverability • Developers are not altruistic when creating schemas
- 32. MetaData Platform • Haystack is our enterprise metadata platform • Kafka topic metadata is automatically synced to Haystack • Haystack links back to the DataHub portal • Will be able to search for topics in Haystack and immediately find the topic in the DataHub portal
- 33. Apache Presto • Presto is being implemented as an enterprise data virtualization solution…not just for the DataHub • Will also be used to provide data validation across the pipeline via SQL Example: Join a topic in Kafka to a table in Postgres to confirm that all data has transferred correctly • Will also be used to provide a SQL interface in the DataHub portal to allow querying for specific messages. • Developed a patch to the Presto Kafka connector to connect with SSL and deserialize AVRO
- 35. Phase 4 – Current Phase First Phase The Launch Second Phase Reaching Orbit Third Phase Escaping Gravity Current Phase To Infinity And Beyond… Kafka Kafka Streams Portal Portal KSQL Kafka Connect Portal Documentation Site • Product360 in GCP - Go • BI / Reporting • Analytics platform • Java/Scala Developers • AWS skills • Linux command line • Data movement from on-prem to cloud • Customer 360 – bidirectional movement • Data Stewards • Everyone else!! • Global streaming • IOT data • SAP Hana • Data movement between all datacenters on central platform • LIMS Integration • Serverless apps in AWS • SAP/Oracle CDC • Python, Node, etc. • Some Analytics • Some BI • Event sourcing • Company360 • Exadata CDC • Incremental migration to the cloud
- 36. Future • Move as much ETL as possible to the streaming layer • Monitoring and auditing of data flow across the pipeline • Consumer monitoring and configurable alerting • Improved data governance • Integrate with enterprise security platform
- 37. The Enterprise DataHub is a living, scalable, robust central nervous system for data that facilitates the seamless acquisition, transport and processing of information in real time across multiple datacenter and cloud environments.