[2C5]Map-D: A GPU Database for Interactive Big Data Analytics

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    01-Dec-2014
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DEVIEW 2014 [2C5]Map-D: A GPU Database for Interactive Big Data Analytics

Transcript of [2C5]Map-D: A GPU Database for Interactive Big Data Analytics

  • 1. map-D GDWDUHQHG www.map-d.com @datarefined Todd Mostak todd@map-d.com 1830 Sansome St. San Francisco, CA 94104 #mapd @datarefined
  • 2. map-D? super-fast database built into GPU memory Do? worlds fastest real-time big data analytics interactive visualization Demo? twitter analytics platform 1billion+ tweets milliseconds
  • 3. The importance of interactivity People have struggled for a long time to build interactive visualizations of big data that can deliver insight Interactivity means: Hypothesis testing can occur at speed of thought How Interactive is interactive enough? According to a study by Jeffrey Heer and Zhicheng Liu, an injected delay of half a second per operation adversely affects user performance in exploratory data analysis. Some types of latency are more detrimental than others: For example, linking and brushing more sensitive than zooming
  • 4. Strategies for interactivity Sampling: Ex. BlinkDB Issues: Need statistically robust method for sampling Sampling can miss long-tail phenomena Pre-computation Ex. ImMems (datacubing) Issues: Only can show what curator thought was relevant Can only store a certain number of binned attributes Must be curated!
  • 5. The Arrival of In-Memory Systems Traditional RDBMS used to be too slow to serve as a back-end for interactive visualizations. Queries of over a billion records could take minutes if not hours But in-memory systems can execute such queries in a fraction of the time. Both full DBMS and pseudo-DBMS solutions But still often too slow
  • 6. Enter Map-D
  • 7. the technology
  • 8. Core Innovation SQL-enabled column store database built into the memory architecture on GPUs and CPUs Code developed from scratch to take advantage of: Memory and computational bandwidth of multiple GPUs Heterogeneous architectures (CPUs and GPUs) Fast RDMA between GPUs on different nodes GPU Graphics pipeline Double-level buffer pool across GPU and CPU memory Shared scans multiple queries of the same data can share memory bandwidth System can scan data at > 2TB/sec per node, with > 10TB/sec per node logical throughput with shared scans
  • 9. The Hardware IB IB GPU 1 GPU 2 GPU 3 PCI PCI CPU 0 S1 CPU 1 QPI RAID Controller GPU 0 S2 S3 S4 IB IB GPU 1 GPU 2 GPU 3 PCI PCI CPU 0 S1 CPU 1 QPI RAID Controller GPU 0 S2 S3 S4 Switch Node 0 Node 1
  • 10. The Two-Level Buffer Pool GPU Memory CPU Memory SSD
  • 11. Shared Nothing Processing Multiple GPUs, with data partitioned between them Filter text ILIKE rain! Filter text ILIKE rain! Filter text ILIKE rain! Node 1 Node 2 Node 3
  • 12. the product
  • 13. Complex AnalyKcs Image processing VisualizaKon GPU in-memory SQL database OpenGL H.264/VP8 streaming GPU pipeline Machine learning Graph analyKcs License Simple # of GPUs Mobile/server versions Scale to cluster of GPU nodes SQL compiler Shared scans User defined funcKons Hybrid GPU/CPU execuKon OpenCL and CUDA Product GPU powered end-to-end big data analyKcs and visualizaKon plaYorm
  • 14. Map-D code Single GPU 12GB memory Map-D code integrated into GPU memory Single CPU 768GB memory Map-D code integrated into CPU memory NVIDIA TEGRA Mobile chip 4GB memory Map-D code integrated into chip memory 8 cards = 4U box 4 sockets = 4U box Map-D code runs on GPU + CPU memory 36U rack: ~400GB GPU ~12TB CPU Mobile Map-D running small datasets Native App Web-based service Map-D hardware architecture Large Data Big Data Small Data Next Gen Flash 40TB 100GB/s
  • 15. map-D www.map-d.com @datarefined info@map-d.com