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When dumping the stats page (or the CSV output), when many states are mixed, it's hard to figure the number of up servers. But when showing only the "up" servers or hiding the "maint" servers, there's no way to know how many servers are configured, which is problematic when trying to update server-templates. What this patch does, for dumps in "up" or "no-maint" modes, is to add after the backend's "UP" or "DOWN" state "(%d/%d)" indicating the number of servers seen as UP to the total number of servers in the backend. As such, seeing "UP (33/39)" immediately tells that there are 6 servers that are not listed when using "up", or will let the client figure how many servers are left once deducted the number of non-maintenance ones. It's not done on default dumps so as not to disturb existing tools, which already have all the information they need in the dump.
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)