10gen, developer of the MongoDB on-relational database, has raised $42 million in new VC funding. New Enterprise Associates led the round, and was joined by return backers Sequoia Capital, Flybridge Capital Partners and Union Square Ventures. Www.10gen.com
GreenBytes, an Ashaway, R.I.-based developer of inline data deduplication storage solutions, has raised $12 million in Series B funding. Generation Investment Management led the round, and was joined by return backer Battery Ventures. Www.greenbytes.com
Ace Metrix, a Mountain View, Calif.-based provider of television and video analytics, has raised $8 million in new VC funding. Backers include WPP, Hummer Winblad Venture Partners, Leapfrog Ventures and Palomar Ventures. Www.acemetrix.com
Flubit, a London-based search engine for group-buying deals, has raised $1.75 million in new VC funding. No investor details were disclosed. Www.flubit.com
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