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Uber's data science workbench
- 1. Uber’s Data ScienceWorkbench Randy Wei Peng Du
- 3. Mission Unleash the productivityof the Data Science community at Uber by providing scalable infrastructure, tools, customization and support.
- 4. Tools of theTrade: Jupyter Notebooks Alternative to traditional CLIs Interactive tool which combines Prose (HTML Markdown), Code (Py, R, Scala) Visualization (charts, maps, tables) Shareable artifact of knowledge Hosted webapp Notebook, Notes, Cells Each cell is an executable line of code Used for Data exploration, Cleansing, Modeling Dashboarding/reporting HTML Code Output
- 5. Tools of theTrade: RStudio Server Browser interface to a remote R server Centrally manage compute infrastructure IDE for R Syntax highlight, code completion Debugging Charts File Browser RStudio also has Notebook functionality R has a huge library repository Used mostly for rapid prototyping of models on small datasets (UbeR) Data Code Output
- 6. Tools of theTrade: Apache Spark Distributed statistical computing framework Run R code without translating it to Java Choice of Intelligent Decision, Insurance, etc teams Distributed machine learning framework Easy to integrate with scientific Python libraries Choice of Fraud Detection, Sensing and Perception, etc teams SparkR PySpark
- 7. ● Productivity ● Py,R, Scala interpreters in Jupyter ● Hosted RStudio support ● Version Control ● Custom libraries/environment ● Single-pane lifecycle mgmnt. ● PySpark, SparkR Scale ● Scalable Jupyter Server infra. ● Large dist. computation backend ● Multitenancy ● File Persistence ● Security Requirements Ecosystem Integration ● Scheduling: Piper ● Dashboards: Shiny ● Data Exploration: Query engine API ● Deploy: Machine learning platform ● Chargeback: Monitoring platform ● Knowledge ● Search ● Access Controls ● Sharing Controls ● Publish ● Comments & Discussion Scale Productivity Social Ecosystem
- 8. State of theUnion Problem ● Data Scientists (DSs) start at Uber with diverse skillsets and backgrounds ● Precious time wasted in infra. setup, version control, search, sharing... ● Teams are building their own solutions Vision ● Web-based hub for all Data Scientists at Uber ● Ability to centrally: ○ provision tools ○ leverage dist. Backend ○ search, comment, share ○ monitor ● Integrated with Uber’s data ecosystem ● Dedicated SRE Opportunity ● Find and reuse knowledge ● Opportunity for a dedicated team to advocate for and build tools needs to make DSs hyper-productive ● Cloud experience ● Chargeback
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- 10. Management Service Create, Delete,Search, Share, Publish, Schedule RStudio (Docker) Uber Mesos Infra Shared File System MLlib Worker MLlib Worker MLlib Worker MLlib Worker MLlib Worker PySpark Worker MLlib Worker MLlib Worker SparkR Worker Uber spark debugging toolkit Uber spark development toolkit RStudio (Docker) RStudio (Docker) RStudio (Docker) RStudio (Docker) Jupyter (Docker) Manage Mesos Spark Architecture
- 11. Architecture NB1 Application Management Service session / file management, proxy MesosCluster Docker Container Hadoop Cluster (Hive, Presto, Spark) Distributed ProcessingDocker Container Docker Container RStudio Server RStudio Jupyter Docker Container NB1Jupyter Server NB2 Web GUI
- 12. Data Science Workbench Uber MLplatform Palette Hive Cassandra Spark Spark SDK, Spark Debug tool, Spark templates Uber Ecosystem Models HDFS Query Runner Production PySpark for ML Data Visualization
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