LA Data Platform

Welcome to the LA Data Platform (formerly SQLMalibu)!

Join us every 3rd Wednesday of every month between 7:00 PM and 9:00 PM, where we network and discuss Microsoft Data Platform topics. Our monthly meetings are FREE, casual and EVERYONE is welcome. Hope to see you very soon!!!


Upcoming Events

Next Meeting

Wednesday,

October

16

Using Columnstore indexes in Azure DevOps Services. Lessons learned by Konstantin Kosinsky

  • Online @ https://ladataplatform1910.eventbrite.com
  • 19:00 - 20:00 Pacific Daylight Time
  • Language: English

The Analytics service in Azure DevOps Services provides all-over insights to your DevOps data: work item tracking, CI/CD pipelines, testing process, etc. Built on top of columnstore indexes, the Analytics service has to deal with 100s of millions of records and daily growth in 10s of millions, only a few minutes delay from operation store, sub-second query performance for in-product experiences as well as 3rd party extensions, Power BI integration and ad-hoc queries.

Working on it, I've learned a lot of DOs and DON'Ts about columnstore indexes. The session covers how to: * partition columnstore indexes in a multitenant environment * maintain columnstore indexes in case of updates and/or purge to keep segment elimination possible * evolve database schema without downtimes and maintenance windows * design to benefit from predicate and aggregation pushdown * deal with edge case like ad-hoc queries for raw data and paging * choose between CCI and NCCI based on usage patterns

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