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erlang
0041-Update-inet.xml.-Note-buffer-relation-to-M...
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File 0041-Update-inet.xml.-Note-buffer-relation-to-MTU.patch of Package erlang
From 0ef9dd12e5e77d67244dca580c1a706878c272bf Mon Sep 17 00:00:00 2001 From: vans163 <vans_163@yahoo.com> Date: Tue, 31 Jan 2017 14:07:27 -0500 Subject: [PATCH] Update inet.xml. Note buffer relation to MTU The documentation does not indicate this is the buffer responsible for the maximum bytes we can receive from a recv call. --- lib/kernel/doc/src/inet.xml | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml index 4c4a5c39c..d557efb6a 100644 --- a/lib/kernel/doc/src/inet.xml +++ b/lib/kernel/doc/src/inet.xml @@ -659,7 +659,8 @@ get_tcpi_sacked(Sock) -> <tag><c>{buffer, Size}</c></tag> <item> <p>The size of the user-level software buffer used by - the driver. Not to be confused with options <c>sndbuf</c> + the driver. + Not to be confused with options <c>sndbuf</c> and <c>recbuf</c>, which correspond to the Kernel socket buffers. It is recommended to have <c>val(buffer) >= max(val(sndbuf),val(recbuf))</c> to @@ -670,6 +671,9 @@ get_tcpi_sacked(Sock) -> usually become larger, you are encouraged to use <seealso marker="#getopts/2"><c>getopts/2</c></seealso> to analyze the behavior of your operating system.</p> + <p>Note that this is also the maximum amount of data that can be + received from a single recv call. If you are using higher than + normal MTU consider setting buffer higher.</p> </item> <tag><c>{delay_send, Boolean}</c></tag> <item> -- 2.12.0
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