Data Analytics Infrastructure - DSSG 2015-11-23

Data Science Singapore meetup 23 Nov 2015

Transcript

1. Data Analytics Infrastructure Le Nguyen The Dat @lenguyenthedat Data Science SG Nov 2015 Meetup
2. Backgrounds ZALORA Group (2013 – 2014) o  Biggest online fashion retails in South East Asia o  Data Infrastructure & Data Science
3. Backgrounds Commercialize.TV (2015 – ) o  Multi Channel media network – focusing on China audiences o  Data Infrastructure & Insights
4. Challenges No central data source: o  Data stored in multiple locations o  Unclear ownership Data definition and quality: o  Little to none documentation o  Different formula, rules owned by different departments o  Always dirty no matter what Reporting – Descriptive analytics: o  Immediate needs, automations o  Important to do it right (and quick!)
5. Data Warehouse
6. Database Technologies SQL – Relational Databases: o  MySQL, PostgreSQL o  MS SQL Server, Oracle SQL NoSQL: o  Redis o  Cassandra o  MongoDB o  DynamoDB (AWS) o  RethinkDB Map Reduce ecosystem: o  Hadoop: HDFS – Pig – Hive – Hbase o  Spark: RDD – Spork – Shark (Spark SQL) – Hbase-Spark Massively Parallel Processing (MPP): o  Vertica (HP) - Greenplum (EMC) – Netezza (IBM) o  ParAccel (Amazon Redshift)
7. Database Technologies SQL – Relational Databases: ✔ o  MySQL, PostgreSQL o  MS SQL Server, Oracle SQL NoSQL: (?) o  Redis ✖ o  Cassandra ✔ o  MongoDB ✖ o  DynamoDB (AWS) ✖ o  Neo4j ✖ Map Reduce ecosystem: ✔ o  Hadoop: HDFS – Pig – Hive – Hbase o  Spark: RDD – Spork – Shark (Spark SQL) – Hbase-Spark Massively Parallel Processing (MPP): ✔ o  Vertica (HP) - Greenplum (EMC) – Netezza (IBM) o  ParAccel (Amazon Redshift)
8. Data Warehouse Amazon Redshift aws.amazon.com/redshift o  Cloud-based, Fully managed o  SQL (PostgreSQL 8.0.2) o  On-demand ($2000/year) o  Scalable (Petabyte-scale) o  FAST! amplab.cs.berkeley.edu/benchmark/ All in ONE place! o  Product information o  Customer information o  Tracking data o  External data sources (Social Media, 3rd Party datasets)
9. Extract-Transform-Load (ETL)
10. ETL Amazon Redshift’s COPY command. docs.aws.amazon.com/redshift/latest/dg/r_COPY.html
11. ETL Custom made: o  Simple bash script, python, SQL o  Use cases: •  Scrappers •  Excel / CSV imports Data Pipeline Frameworks: o  Large scale, more complicated o  Examples: •  Spotify’s Luigi – github.com/spotify/luigi •  Yelp’s Mycroft – github.com/Yelp/mycroft 3rd Party Services: o  aws.amazon.com/redshift/partners •  Flydata •  Rjmetrics
12. Applications
13. Self-services Dashboards Intermediate users o  SQL / Excel / WYSIWYG Tools o  Re:dash – www.redash.io •  Open source: github.com/getredash/redash •  Try it out: demo.redash.io •  Self-manage & deployment: o  Docker o  Pre-baked AMI (Amazon Web Services) o  Google Cloud Images •  Supports lots of database types (Redshift, MySQL, PostgreSQL, Big Query, MongoDB…) •  Users need to know SQL •  Web-based, collaborative work type
14. Demo: re:dash data sources usage http://demo.redash.io/queries/756
15. Demo: NYC Taxis Tip Amounts http://demo.redash.io/queries/753
16. Self-services Dashboards Intermediate users o  SQL / Excel / WYSIWYG Tools o  Tableau – www.tableau.com •  Licensed software (14 days trial) •  Tableau Public (Free: public.tableau.com) •  Self-host or Tableau host (fully managed) •  Supports a lot more database types •  Group, User management – customized access right •  Drag & Drop software as well as web-based
17. Demo: Social media dashboard Baidu è Import.io API èData Warehouse è Tableau
18. Demo: Market Research - video platform performance SimilarWeb API èData Warehouse è Tableau
19. Others (Tableau Public): •  SEA Games Result history tiny.cc/seagames •  Rakuten – Viki data challenge tiny.cc/viki-viz
20. Advanced applications Advanced users o  Data Warehouse connection (JDBC - PostgreSQL) o  Automated, highly customized reports. o  Data Science: •  Recommendation engine •  Predictive modeling •  Classifications
21. Advanced applications Internal reporting tool Data Warehouse è SQL, Python (Django), JS è Product-Finder [ Black dress | SKU or ID | Tiffany| Atmosphere ] Sales Info Tracking Info Product Info
22. Advanced applications Recommendation Engine Data Warehouse è SQL, Python, Haskell è ZALORA Website Similar products: Similar products: Similar products: Similar products:
23. Conclusions
24. Team & Technology stack o  Small team of 1-4 programmers o  Amazon Web Services •  No upfront cost •  Low maintenance •  Scalability •  Integrations o  Shell Scripts, Python, Haskell, D3.js o  Unix, Open-source technologies
25. Takeaways o  (Good) data infrastructure is important: •  Build it first (before you hire a data scientist!) •  Build it right: stable – fast – scalable. o  There is no silver bullet: •  Understand what you need •  Always do more research o  Data infrastructure is NOT that hard! •  Utilize existing, modern technologies •  Avoid old, proprietary technology that were built for the 90s!
26. References Engineering Blogs and Tutorials o  https://blog.asana.com/2014/11/stable-accessible-data-infrastructure-startup/ o  https://medium.com/@samson_hu/building-analytics-at-500px-92e9a7005c83 o  https://engineering.pinterest.com/blog/powering-interactive-data-analysis- redshift o  http://engineering.ifttt.com/data/2015/10/14/data-infrastructure/ o  https://blog.rjmetrics.com/2015/10/15/the-data-infrastructure-meta-analysis- how-top-engineering-organizations-built-their-big-data-stacks/ o  https://www.youtube.com/watch?v=reQtXquDpzo o  https://www.periscopedata.com/amazon-redshift-guide Benchmarks o  https://amplab.cs.berkeley.edu/benchmark/ o  https://www.flydata.com/blog/with-amazon-redshift-ssd-querying-a-tb-of-data- took-less-than-10-seconds/ o  https://www.flydata.com/blog/hive-and-redshift-a-brief-comparison/
27. Thank you!