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Re:Efficient data transfer through zero copy in Java by Rauchg on Saturday March 10, 2012 @10:23PM (#3689442)
You might want to read this interesting (albeit slightly outdated) post about leveraging `sendfile` in Node.JS by Peter Griess:

http://blog.std.in/2010/09/09/using-sendfile-with-nodejs/

Re:Efficient data transfer through zero copy in Java by mikeknoop on Sunday March 11, 2012 @01:48AM (#3689784)
Is this still best practice? What's the more "up to date" method?
Re:Efficient data transfer through zero copy in Java by justincormack on Sunday March 11, 2012 @09:16AM (#3690303)
splice and tee are the newer kernel interfaces, sendfile is now implemented using them.
Re:Efficient data transfer through zero copy in Java by ntoshev on Sunday March 11, 2012 @10:41AM (#3690408)
Apparently these primitives haven't found their way to the Node.js land yet... and sendfile is still undocumented.
Re:Efficient data transfer through zero copy in Java by justincormack on Sunday March 11, 2012 @02:21PM (#3690872)
Not really surprising given the cross platform focus in Node now.