Tag: cbo

Less Is More: Why Use a Cost-Based Optimizer?

Less Is More: Why Use a Cost-Based Optimizer?

Less is more.  — Ludwig Mies van der Rohe There is no truer statement on the goals of a query optimizer. Do less: Less memory, less CPU, less disk, less IO, less instructions, less partitions, less overflow. Less everything for...

September 7, 2019
Cost Based Optimizer for Couchbase N1QL (SQL for JSON)

Cost Based Optimizer for Couchbase N1QL (SQL for JSON)

Authors & Engineering Team: Bingjie Miao, Keshav Murthy,  Marco Greco, Prathibha Bisarahalli. Couchbase, Inc.  A rule-based optimizer knows rules for everything and cost for nothing – Oscar Wilde Abstract Couchbase is a distributed JSON database. It provides distributed data processing,...

August 7, 2019