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a7d6a1396e
These functions do not modify anything in the the table except the refcount on success. Let's just lock the table for shared accesses and make use of atomic ops to update the refcount. This brings a nice gain from 425k to 455k under 48 threads (7%), but some contention remains on the exclusive locks in other parts. Note that the refcount continues to be updated under the lock because it's not yet certain whether there are races between it and some of the exclusive lock on the table. The difference is marginal and we prefer to stay on the safe side for now.
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)