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There's a rare case where on long fat pipes, we can see the keep-alive timeout trigger before the end of the transfer of the last large object, and the connection closed a bit quickly after the end of the transfer because a GOAWAY is queued. The data are not destroyed, except that the WINDOW_UPDATES from the client arriving late while the last data are being drained by the socket buffers may at some point trigger a reset, and some clients might choke a bit too early on these. Let's make sure we only arm the idle_start timestamp once the output buffer is empty. Of course it will still not cover for the data pending in the socket buffers but it will at least let those in the buffer leave in peace. More elaborate options can be used to protect the data in the kernel buffers, such as the one described in GH issue #5. It's very likely that this old issue was emphasized by the following commit in 2.6: 15a4733d5 ("BUG/MEDIUM: mux-h2: make use of http-request and keep-alive timeouts") and the behavior probably changed again with this one in 2.8, which was backported to 2.7 and scheduled for 2.6: d38d8c6cc ("BUG/MEDIUM: mux-h2: make sure control frames do not refresh the idle timeout") As such this patch should be backported to 2.6 after some observation period.
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)