Real-Time Distributed and Reactive Systems with Apache Kafka and Apache Accumulo
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The document discusses real-time distributed and reactive systems utilizing Apache Kafka and Apache Accumulo, emphasizing their roles in asynchronous stream processing and complex event handling. It covers various components, such as the architecture of Kafka, including its producers and consumers, and the integration of frameworks like Apache Mesos for resource management. Additionally, the document provides quick start guides for implementing Kafka with different programming languages and highlights the potential applications of Accumulo in processing data streams.
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Real-Time Distributed and Reactive Systems with Apache Kafka and Apache Accumulo
- 1. Real-Time Distributed and Reactive Systems with Apache Kafka and Apache Accumulo
- 2. Joe Stein • Developer, Architect & Technologist • Founder & Principal Consultant => Big Data Open Source Security LLC - http://stealth.ly Big Data Open Source Security LLC provides professional services and product solutions for the collection, storage, transfer, real-time analytics, batch processing and reporting for complex data streams, data sets and distributed systems. BDOSS is all about the "glue" and helping companies to not only figure out what Big Data Infrastructure Components to use but also how to change their existing (or build new) systems to work with them. • CEO => Elodina, Inc. Expanding BDOSS from just consulting, Elodina is an ISV & SaaS provider of stream solutions & open source software. Elodina helps make data streams actionable. • Apache Kafka Committer & PMC member • Blog & Podcast - http://allthingshadoop.com • Twitter @allthingshadoop
- 3. Overview ● Real-time distributed reactive systems ● Quick Intro to Apache Kafka ● Quick Intro to Apache Mesos ● Kafka on Mesos ● Accumulo & HDFS on Mesos ● Real-time distributed reactive systems ● Bringing it all together with Accumulo
- 4. Real-Time Distributed and Reactive Systems A distributed system for asynchronous stream processing with non-blocking back pressure where complex event processing systems can influence the response without coupling the business logic of processing. The response can be calculated by parallel operations with concurrent orthogonal processing engines computing their influence towards the final result.
- 5. Real-Time Distributed and Reactive Systems
- 7. Apache Kafka • Apache Kafka o http://kafka.apache.org • Apache Kafka Source Code o https://github.com/apache/kafka • Documentation o http://kafka.apache.org/documentation.html • Wiki o https://cwiki.apache.org/confluence/display/KAFKA/Index
- 8. Producers, Consumers, Brokers • Producers - ** push ** o Batching o Compression o Sync (Ack), Async (auto batch) o Replication o Sequential writes, guaranteed ordering within each partition • Consumers - ** pull ** o No state held by broker o Consumers control reading from the stream • Zero Copy for producers and consumers to and from the broker http://kafka.apache.org/documentation.html#maximizingefficiency • Message stay on disk when consumed, deletes on TTL or compaction https://kafka.apache.org/documentation.html#compaction
- 11. Client Libraries Community Clients https://cwiki.apache.org/confluence/display/KAFKA/Clients • Python - Pure Python implementation with full protocol support. Consumer and Producer implementations included, GZIP and Snappy compression supported. • C - High performance C library with full protocol support • C++ - Native C++ library with protocol support for Metadata, Produce, Fetch, and Offset. • Go (aka golang) Pure Go implementation with full protocol support. Consumer and Producer implementations included, GZIP and Snappy compression supported. • Ruby - Pure Ruby, Consumer and Producer implementations included, GZIP and Snappy compression supported. Ruby 1.9.3 and up (CI runs MRI 2. • Clojure - Clojure DSL for the Kafka API • JavaScript (NodeJS) - NodeJS client in a pure JavaScript implementation • stdin & stdout Wire Protocol Developers Guide https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol
- 12. Really Quick Start (Scala) 1) Install Vagrant http://www.vagrantup.com/ 2) Install Virtual Box https://www.virtualbox.org/ 3) git clone https://github.com/stealthly/scala-kafka 4) cd scala-kafka 5) vagrant up Zookeeper will be running on 192.168.86.5 BrokerOne will be running on 192.168.86.10 All the tests in ./src/test/scala/* should pass (which is also /vagrant/src/test/scala/* in the vm) 6) ./gradlew test
- 13. Really Quick Start (Go) 1) Install Vagrant http://www.vagrantup.com/ 2) Install Virtual Box https://www.virtualbox.org/ 3) git clone https://github.com/stealthly/go-kafka 4) cd go-kafka 5) vagrant up 6) vagrant ssh brokerOne 7) cd /vagrant 8) sudo ./test.sh
- 15. Origins Mesos: A Platform for Fine-Grained Resource Sharing in the Data Center http://static.usenix.org/event/nsdi11/tech/full_papers/Hindman_new.pdf Google Borg - https://research.google.com/pubs/pub43438.html Google Omega: flexible, scalable schedulers for large compute clusters http://eurosys2013.tudos.org/wp- content/uploads/2013/paper/Schwarzkopf.pdf
- 17. Static Partition == Idle Resources
- 18. Operating System === Datacenter
- 19. Mesos => data center “kernel”
- 21. Apache Mesos ● Scalability to 10,000s of nodes ● Fault-tolerant replicated master and slaves using ZooKeeper ● Support for Docker containers ● Native isolation between tasks with Linux Containers ● Multi-resource scheduling (memory, CPU, disk, and ports) ● Java, Python and C++ APIs for developing new parallel applications ● Web UI for viewing cluster state
- 22. Sample Frameworks C++ - https://github.com/apache/mesos/tree/master/src/examples Java - https://github.com/apache/mesos/tree/master/src/examples/java Python - https://github.com/apache/mesos/tree/master/src/examples/python Scala - https://github.com/mesosphere/scala-sbt-mesos-framework.g8 Go - https://github.com/mesosphere/mesos-go
- 23. Kafka on Mesos ● The Mesos Kafka framework https://github.com/mesos/kafka ○ Smart broker.id assignment. ○ Preservation of broker placement. ○ Ability to-do configuration changes. ○ Rolling restarts. ○ Auto-scaling the cluster up and down.
- 24. Accumulo on Mesos No framework yet, but you can use Marathon, no problem! Marathon https://github.com/mesosphere/marathon is a cluster- wide init and control system for services in cgroups or docker based on Apache Mesos HDFS on Mesos https://github.com/mesosphere/hdfs (more on this in a bit)
- 26. Real-Time Distributed and Reactive Systems
- 27. Real-Time Distributed and Reactive Systems
- 28. Where does Accumulo fit in? ● Iterators ○ Accumulo iterators are a real time processing framework with “reduce like” functionality ● Multi HDFS Volume Support ○ Spin up HDFS clusters when they are needed ● Streaming Large Blobs ○ Post files in producers, process and respond to scans ● More!
- 29. Real-Time Distributed and Reactive Systems
- 30. Questions? /******************************************* Joe Stein CEO, Elodina, Inc http://www.stealth.ly Twitter: @allthingshadoop ********************************************/