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3b78f2aa5d
Right now we have a per-process max variable size and a per-scope one, with the proc scope covering all others. As such, the per-process global one is always exactly equal to the per-proc-scope one. And bookkeeping on these process-wide variables is extremely expensive (up to 38% CPU seen in var_accounting_diff() just for them). Let's kill vars_global_size and only rely on the proc one. Doing this increased the request rate from 770k to 1.06M in a config having only 12 variables on a 16-thread machine.
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)