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The 1.0.0 release is actually formerly known as the 0.20.205.1 release -- ie just bugfixes since 0.20.205.

Hadoop's been "production ready" for years - there are hundreds of companies running it in business critical applications. But some people want to see "1.0" before they move to production :) So we recently decided to call it 1.0 so that the version numbering matches the maturity Hadoop has already achieved.

-Todd (Hadoop PMC)

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Have they figured out which API they are using? You know, the old deprecated vs the new one, which last time I useed hadoop was missing features that required me to use the old API. Even though they had @deprecated all over the old API.

Both APIs are available and will continue to be available for the foreseeable future.

-Todd

My point is that I would assume a 1.0 release would have a clear "right way". If I'm starting a fresh project is the new API the right one?

I think webhdfs and the option for datanode bypass on the local clients qualifies as major new features though. hftp was such a PITA and a lot of mappers are now going to go a LOT faster.

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