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Unlike the muxes, the applets have the responsibility to notify the SC if they have more data to deliver to the stream. The same is done to notify the SC that applets must be woken up ASAP to continue some processing. When an applet is woken up, we pretend it has no more data to deliver by setting SE_FL_HAVE_NO_DATA flag. If the applet removes this flag, we must take care to not set it again just after. Otherwise, the applet may remain blocked if there is no other condition to wake it up. It is an issue for the applets using their own buffers because SE_FL_HAVE_NO_DATA is erroneously set in sc_applet_recv() function, after the applet execution. For instance, it happens for the cli applet when a huge map is cleared. No data are delivered to the stream but we pretend it is the case to clear the map per batches. This patch should fix the issue #2543. No Backported 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)