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That's the link they advertise, but doesn't work http://www.oracle.com/us/products/database/nosql/overview/in...

It's weird. The Oracle site has many dead links, esp. for Java docs.

What reason would Google have to object anyway? Bigtable isn't open source so there's no benefit in shutting down work on Accumulo - the man-hours are not going to go into Bigtable instead.

That's a dead link.