Benchmarking of distributed linked data streaming systems
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"Benchmarking of distributed linked data streaming systems" as presented in the Stream Reasoning Workshop 2018, January 16-17, 2018, held by Department of Informatics DDIS (University of Zurich) in Zurich, Suisse This work was supported by grants from the EU H2020 Framework Programme provided for the project HOBBIT (GA no. 688227).
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Benchmarking of distributed linked data streaming systems
- 1. Benchmarking of distributed linked data streaming systems This project has received funding from the European Union's H2020 research and innovation action program under grant agreement number 688227. The project runtime is December 2015 until November 2018. The HOBBIT project Pavel Smirnov AGT International 1 Stream Reasoning Workshop January 17, 2018
- 2. 2 Overview • The HOBBIT project • DEBS challenges • Available benchmarks overview • Summary
- 3. Goal To abolish the barriers in the adoption and deployment of Big Linked Data by European companies by: • The deployment of benchmarks on data that reflects reality within realistic settings. • The provision of corresponding industry-relevant key performance indicators (KPIs). • The computation of comparable results on standardized hardware. • The institution of an independent and thus bias-free organization to conduct regular benchmarks and provide the European industry with up-to-date performance results. Deliverables: • The benchmarking platform (the HOBBIT platform) • The set of benchmarks with KPIs • Benchmarking association 3 The HOBBIT project. Overview http://project-hobbit.eu
- 4. 4 The HOBBIT platform. Business logic 1 2 3. 2 3. 1 4 5 6 Customer Requires ranking of alternative solutions by some KPI Solution provider (vendor) (e.g. DB, Streaming Platforms, ML frameworks, etc…) The HOBBIT platform (online or local instance) Customer Requires ranking of alternative solutions by some KPI Customer Requires ranking of alternative solutions by some KPI Provides: 1. Automatic benchmark executions 2. Leaderboards (online or private) Main advantages: 1. Streaming fashion 2. Docker virtualization 3. RDF-enabled Submit benchmarks Submit systems http://github.com/hobbit-project/platform
- 5. 5 The HOBBIT platform. Architecture The data pipeline: 1. Raw/initial data send (optional) 2. Sending raw tuples 3.1 Sending tasks (task={tuple, id}) 3.2 Sending expected results per tasks 4. Send actual results per tasks 5. Send the “expected-actual” pairs 6. Send KPIs back to the controller 7. Send KPIs back to the platform Benchmark (customer’s application) System components (black box for customers) Platform components 1 2 3.1 3.2 4 5 6 The online platform: http://master.project-hobbit.eu/ Cluster: 6 nodes, each is 2×64 bit Intel Xeon E5-2630v3 (8-Cores, 2.4 GHz, HT, 20MB Cache, each proc.), 256 GB RAM, 1Gb Ethernet Nodes (benchmark/system): 3/3 https://github.com/hobbit-project/platform/wiki/Overview 7 http://github.com/hobbit-project/platform
- 6. 6 The HOBBIT platform. Technologies https://github.com/hobbit-project/platform/wiki/Overview Platform communication channel (RarritMQ only) Data transportation channel (app-specific) Platform-side: 1. Java 2. RabbitMQ 3. Docker+Swarm 4. GitLab 5. Redis 6. Virtuoso (RDF) 7. NodeJS 8. KeyCloak App-side (defaults): 1. Java 2. RabbitMQ Application side Platform side (RabbitMQ, Kafka, Netty, Akka…) http://github.com/hobbit-project/platform
- 7. Design and upload to HOBBIT Create a project at https://git.project-hobbit.eu Create and account at https://master.project-hobbit.eu Clone and extend the basic codes: https://github.com/hobbit-project/java-sdk- example Design components using the manuals: Run tests locally as pure java code Update ttl-files for you project Upload Design (alternative using the JAVA SDK) Develop a benchmark component in Java Develop a component in Java Develop a system adapter Develop a system adapter in Java Create docker files using details (manual) Design (the standard HOBBIT way) Debug Docker images by running tests Find your benchmark or system at https://master.project-hobbit.eu Build images (manual) Configure remote project details Upload docker images to https://git.project-hobbit.eu - Lots of understanding and manual work - Impossible to debug locally * - Upload non-tested images * - No logs from the online platform, only GUI * + Clone and extend standard classes with your logic + Test and debug your code from IDE + Built Docker images on demand from IDE + Run your images from IDE, check all internal logs + Upload fully tested images 7 * Unless you haven’t a local HOBBIT deployment
- 8. 8 Example: single benchmark run http://master.project-hobbit.eu/
- 9. 9 Example: challenges & leaderboards http://master.project-hobbit.eu/
- 10. Challenges: DEBS GC 2017 DEBS Grand Challenge 2017 successfully completed Anomaly detection for injection molding machines over RDF-streams. 10 14 teams registered 7 teams passed correctness check 2 were awarded (main and audience award) StreaML Open Challenge is opened; Price: 500 € The main result: For the first time we can objectively quantify the performance of a distributed stream processing pipeline running analytics algorithms https://project-hobbit.eu/challenges/debs-grand-challenge/ https://project-hobbit.eu/open-challenges/streaml-open-challenge/ Find Cluster Centers Over W time units Apply Markov Model for Anomaly Detection Train Markov Model over last W time units start After at least W time units The anomaly detector:
- 11. Challenges: DEBS GC 2018 DEBS Grand Challenge 2018 is just started https://project-hobbit.eu/challenges/debs2018-grand-challenge/ Prediction of arrival times and ports on marine traffic data. Price: 1000 € + publication at DEBS proceedings (conf. will be in New Zealand) 11 • Synthetic generated data • Predefined algorithms • True RDF-streaming benchmark • Focus: correctness check, throughput, latency • Real annotated data • No predefined approach • True ML-benchmark • Focus: prediction accuracy, performance DEBS Grand Challenge 2018DEBS Grand Challenge 2017
- 12. 12 Available benchmarks overview Versioning Benchmark • Benchmark for assessing an ability of versioning systems to efficiently manage evolving datasets and queries Data Storage Benchmark benchmark for RDF data storage solutions against an interactive workload in a real-world scenario, using various dataset sizes Linking Benchmark Benchmark for assessing the performance of instance Matching tools that implement string-based approaches Faceted Browsing Benchmark • Benchmark for systems which support browsing through linked data by iterative transitions performed by an intelligent user ODIN Benchmark • benchmark for data extraction solutions for structured data • simulates the ingestion, storage and retrieval of streams of RDF data Spatial Benchmark Benchmark for systems which deal with topological relations proposed in the state of the art DE-9IM model. Question Answering Benchmark • Benchmark for ranking question answering systems based on their performance and accuracy GERBIL Benchmark • benchmark for entity annotation and disambiguation tools • 9 annotators, 11 RDF datasets Stream Machine Learning Benchmark Benchmark for assess the performance of anomaly detection for injection molding machines over RDF-streams Stream Machine Learning Benchmark v2 • Benchmark for assess the accuracy of prediction over stream of marine traffic data http://github.com/hobbit-project
- 13. Summary The HOBBIT platform • Ability to benchmark heterogeneous distibuted systems in streaming fashion • A set of benchmarks to compare relevant Linked Data technologies and solutions • We apply the HOBBIT platform to rank machine-learning pipelines over the RDF-streams • The platform may be a basics for benchmark of stream-reasoning solutions 13
- 14. QA Thank you for attention! 14 psmirnov@agtinternational.com http://twitter.com/smirnp http://twitter.com/AGTIntl