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games647/gist:e17c2faaa294c30dcb1dd798a9ab2b5d

Created March 3, 2020 09:58
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Zero-Copy Notes
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gistfile1.txt
* https://en.wikipedia.org/wiki/Zero-copy
* Java input streams can support zero-copy through the java.nio.channels.FileChannel's transferTo() method if the underlying operating system also supports zero copy
* Only **from** file
* Linux: sendFile call
* Windows: TransmitFile
* Linux 4.18 supports **from** socket zero-copy
* Microsoft Windows supports zero-copy through the TransmitFile API.
* Alternative: Mapping direct memory telling the kernel to use that
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