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ece002af1d
An issue was introduced when zero-copy forwarding was added to the stats and cache applets. There is no test to be sure the upper layer is ready to use the zero-copy forwarding. So these applets refuse to deliver the response into the applet's output buffer if the zero-copy forwarding is supported by the opposite endpoint. It is especially an issue when a filter, like the compression, is in-use on the response channel. Because of this bug, the response is not delivered and the applet is woken up in loop to produce data. To fix the issue, an appctx flag was added, APPCTX_FL_FASTFWD, to know when the zero-copy forwarding is in-use. We rely on this flag to not fill the outbuf in the applet's I/O handler. No backport needed.
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)