Hadoop itself is what language development?

Hadoop itself is what language development?
OS can run on top of that?
its subprojects HDFS is what language development?
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implemented in Java, open source, supports Fedora, Ubuntu and other Linux platforms!
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Hadoop itself is what language development? ---- Java language
OS can run on top of that?
• GNU / Linux is a product development and runtime platform. Hadoop already has 2000 nodes GNU / Linux host cluster system consisting verified.
• Win32 platform is supported as a development platform. As a distributed operation has not been fully tested on Win32 platforms, so it was not as a production platform is supported.

its subprojects HDFS is what language development? ---- Java
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I also want to have the Windows version of Hadoop, unfortunately not yet.
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hadoop on the application is java, but not the java hadoop itself looks like it. . . . .
Another question did not answer it?
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windows hadoop also supported on the
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currently no direct on hadoop version for windows

that use cygwin
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and is said unstable
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above did not answer my question. . . .
find reliable answers
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thanks ~ your answer with my own found in the same ~
If you can answer my earlier save some power, ha ha
scores give you all ~


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Results posted the second floor, it was found also said, but not so detailed
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  This reply was moderator deleted at 2012-06-23 15:37:28