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This change adds a paragraph to the documentation regarding "userlists" and the use of hashed password value. It indicates what a user can do to address the high CPU cost of having to calculate the hash at each request, such as reducing the number of rounds or the cost complexity, if the algorithm allows for it. I believe it is necessary to mention how the musl C library impacts performance of hashing functions, as this has already led to a few issues: https://github.com/haproxy/haproxy/issues/1298 https://github.com/haproxy/haproxy/issues/2008 https://github.com/haproxy/haproxy/issues/2251 The performance impact is significant enough to mention it. Acked-by: Lukas Tribus <lukas@ltri.eu>
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)