Remove archives 01-2020
article thumbnail

How to Add a Feature (Cleanly)

James Shore

01 Jul 2020. James Shore/Blog/Lunch-and-Learn. To follow along, download the code from GitHub and check out the 2020-06-30 tag. To see the final result, check out the 2020-06-30-end tag or view it on GitHub. Visit the Lunch & Learn archive for more. This week, we’re adding a feature.

How To 93
article thumbnail

Speeding up Queries With Z-Order

Cloudera

In a previous blog post , we demonstrated the power of Parquet page indexes, which can greatly improve the performance of selective queries. This can commonly happen in active archive and operational reporting use cases. This will backfire when you run queries that need to scan a large portion of the table. Use cases for Z-order.