[HDFS-15151] Use TransmitFile for file to socket data transfer

• Type: New Feature
• Status: Patch Available
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.3.0, 3.1.4, 3.2.2, 3.3.1, 3.4.0
• Component/s: datanode
• Labels: NIO Windows datanode
• Assignee: Lukas Majercak
• Reporter: Lukas Majercak
• Created: 30/Jan/20 20:24
• Updated: 01/Feb/20 22:44

Description

Proposing to give an option to use TransmitFile Windows function for file to socket data transfer.
https://docs.microsoft.com/en-us/windows/win32/api/mswsock/nf-mswsock-transmitfile

Issue Links

• links to: GitHub Pull Request #1825