Cloud Computing: Google App Engine Caching Catches Up With Amazon
Grazed from InformationWeek. Author: Charles Babcock.
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Google App Engine gained ground as a developer platform Wednesday when Google added a dedicated, as opposed to shared, caching service that can significantly speed up many applications. The move puts App Engine on a more equal footing with Microsoft’s Windows Azure and Amazon Web Services, which launched its ElastiCache service in August 2011. Platform-as-a-service (PaaS) offerings Heroku and Engine Yard also offer caching services.
The App Engine service is based on open source Memcached (pronounced "mem-cache d"), a caching system that automatically saves frequently used data to cache and, when necessary, pushes out aging data as it falls into disuse. It was created by Brad Fitzpatrick in 2003 to support the operation of the interactive consumer site LiveJournal. It was later rewritten in C and became a popular open source code module…

