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d4e78d873c
The actconns list creates massive contention on low server counts because it's in fact a list of streams using a server, all threads compete on the list's head and it's still possible to see some watchdog panics on 48 threads under extreme contention with 47 threads trying to add and one thread trying to delete. Moving this list per thread is trivial because it's only used by srv_shutdown_streams(), which simply required to iterate over the list. The field was renamed to "streams" as it's really a list of streams rather than a list of connections.
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)