Sign In

Communications of the ACM

Contributed articles

MapReduce: A Flexible Data Processing Tool

effusive strands

Illustration by Marius Watz

MapReduce advantages over parallel databases include storage-system independence and fine-grain fault tolerance for large jobs.

The full text of this article is premium content


CACM Administrator

Related blog-based commentary is available at

CACM Administrator

Related blog-based commentary is available at


A dialog between the Database researchers and Industry engineers is helpful.
For different use cases, users need different solutions. Scripting languages can be used as glue for different low level languages. Map Reduce and related tools can also be used as glue for different data storage & processing systems.

Displaying all 3 comments

Log in to Read the Full Article

Sign In

Sign in using your ACM Web Account username and password to access premium content if you are an ACM member, Communications subscriber or Digital Library subscriber.

Need Access?

Please select one of the options below for access to premium content and features.

Create a Web Account

If you are already an ACM member, Communications subscriber, or Digital Library subscriber, please set up a web account to access premium content on this site.

Join the ACM

Become a member to take full advantage of ACM's outstanding computing information resources, networking opportunities, and other benefits.

Subscribe to Communications of the ACM Magazine

Get full access to 50+ years of CACM content and receive the print version of the magazine monthly.

Purchase the Article

Non-members can purchase this article or a copy of the magazine in which it appears.
Sign In for Full Access
» Forgot Password? » Create an ACM Web Account