R.I.P. MapReduce. After having served us well since 2003, today we removed the remaining internal codebase for good

As cited in DDIA

Urs Hölzle. "R.I.P. MapReduce. After having served us well since 2003, today we removed the remaining internal codebase for good." x.com, September 2019. Archived at perma.cc/B34T-LLY7

How the page describes itself

Urs Hölzle on X: "@JeffDean @GCPcloud R.I.P. MapReduce. After having served us well since 2003, today we removed the remaining internal codebase for good. Of course, external users of MR on GCP will continue to be supported with our fully upstream compatible managed Hadoop platform, Dataproc." / X

@JeffDean @GCPcloud R.I.P. MapReduce. After having served us well since 2003, today we removed the remaining internal codebase for good. Of course, external users of MR on GCP will continue to be supported with our fully upstream compatible managed Hadoop platform, Dataproc.

From the page's own metadata at twitter.com, 2026-08-29.

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https://perma.cc/B34T-LLY7