mapandreduce

noun
UK /ˌmæp ən rɪˈdjuːs/
US /ˌmæp ən rɪˈduːs/

A way for computers to split a big job into small parts and then add up the answers.

The team used mapandreduce to count words in millions of books quickly.


OTHER MEANINGS

2. A programming style where one step changes each item and another step combines the results.

She wrote a mapandreduce job to total the sales by region.

3. A method for handling huge amounts of data across many machines at once.

Mapandreduce let the company analyze years of logs overnight.

4. A two-part computing pattern: map spreads work out, reduce brings answers together.

Learning mapandreduce helped him understand how search engines index pages.