I have a server which needs to transfer a large amount of data (~1-2 gigs) per request. What is the recommended amount of data that each call to send should have? Does it matter?
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I have a server which needs to transfer a large amount of data (~1-2 gigs) per request. What is the recommended amount of data that each call to send should have? Does it matter?
The TCP/IP stack takes care of not sending packets larger than the PATH MTU, and you would have to work rather hard to make it send packets smaller than the MTU, in ways that wouldn’t help throughput: and there is no way of dsicovering what the path PTU actually is for any given connection. So leave all consideration of the path MTU out of it.
You can and should make every
send()as big as possible.