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The current implementation of STREAM frames emission has some limitation. Most notably when we cannot sent all frames in a single qc_send run. In this case, frames are left in front of the MUX list. It will be re-send individually before other frames, possibly another frame from the same STREAM with new data. An opportunity to merge the frames is lost here. This method is now improved. If a frame cannot be send entirely, it is discarded. On the next qc_send run, we retry to send to this position. A new field qcs.sent_offset is used to remember this. A new frame list is used for each qc_send. The impact of this change is not precisely known. The most notable point is that it is a more logical method of emission. It might also improve performance as we do not keep old STREAM frames which might delay other streams.
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)