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IDLE frontend connections have no stream attached. The stream is only created when new data are received, when the parsing of the next request starts. Thus the keep-alive timeout, handled into the HTTP analysers, is not considered while nothing is received. But this is especially when this timeout must be considered. Concretely the http-keep-alive is ignored while no data are received. Only the client timeout is used. It will only be considered on incomplete requests, if the http-request timeout is not set. To fix the bug, the http-keep-alive timeout must be handled at the mux level, for IDLE frontend connection only. This patch should fix the issue #984. It must be backported as far as 2.2. On prior versions, the stream is created earlier. So, it is not a problem, except if this behavior changes of course (it was an optim of the 2.2, but don't remember the commit).
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)