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With current design, we could not distinguish between previously existing deleted server and a new server reusing the deleted server name/id. This can cause some confusion when auditing stats/events/logs, because the new server will look similar to the old one. To address this, we're adding a new value in server structure: rid rid (revision id) value is an unsigned 32bits value that is set upon server creation. Value is derived from a global counter that starts at 0 and is incremented each time one or multiple server deletions are followed by a server addition (meaning that old name/id reuse could occur). Thanks to this revision id, it is now easy to tell whether the server we're looking at is the same as before or if it has been deleted and re-added in the meantime. (combining server name/id + server revision id yields a process-wide unique identifier)
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)