Cong Wang created MESOS-1888:
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Summary: Investigate TCP Fast Open for mesos HTTP requests
Key: MESOS-1888
URL: https://issues.apache.org/jira/browse/MESOS-1888
Project: Mesos
Issue Type: Improvement
Reporter: Cong Wang
Priority: Minor
TCP Fast Open (TFO) is a new TCP feature on Linux:
http://en.wikipedia.org/wiki/TCP_Fast_Open
which could save a round-trip when starting a TCP connection. It seems mesos
uses HTTP request in many places including some performance critical path. So
it's worth to investigate it.
"IPv4 support for TFO was merged into the Linux kernel mainline in versions 3.6
(support for clients) and 3.7 (support for servers), and was turned on by
default in version 3.13. TFO support for IPv6 servers was merged in version
3.16."
It is not transparent to applications, the socket API needs to adjust a little
bit to use it: http://lwn.net/Articles/508865/
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