06-19-2012
TCP segments retransmission
Hi all,
I got an application that is running on SUSE Linux. I would like to get some data about the number of TCP segments retransmission on a particular interface. Is there any way I can get that?
Thanks,
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LEARN ABOUT MOJAVE
curlopt_tcp_nodelay
CURLOPT_TCP_NODELAY(3) curl_easy_setopt options CURLOPT_TCP_NODELAY(3)
NAME
CURLOPT_TCP_NODELAY - set the TCP_NODELAY option
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TCP_NODELAY, long nodelay);
DESCRIPTION
Pass a long specifying whether the TCP_NODELAY option is to be set or cleared (1 = set, 0 = clear). The option is set by default. This will
have no effect after the connection has been established.
Setting this option will disable TCP's Nagle algorithm. The purpose of this algorithm is to try to minimize the number of small packets on
the network (where "small packets" means TCP segments less than the Maximum Segment Size (MSS) for the network).
Maximizing the amount of data sent per TCP segment is good because it amortizes the overhead of the send. However, in some cases small seg-
ments may need to be sent without delay. This is less efficient than sending larger amounts of data at a time, and can contribute to con-
gestion on the network if overdone.
DEFAULT
1
PROTOCOLS
All
EXAMPLE
TODO
AVAILABILITY
Always. The default was changed to 1 from 0 in 7.50.2.
RETURN VALUE
Returns CURLE_OK
SEE ALSO
CURLOPT_SOCKOPTFUNCTION(3), CURLOPT_TCP_KEEPALIVE(3),
libcurl 7.54.0 June 30, 2016 CURLOPT_TCP_NODELAY(3)