d766677d92
With refactored master-worker architecture master and worker processes parse its parts of the configuration. Worker could have a huge configuration, so it will take some time to load. As now HAPROXY_LOAD_SUCCESS is set to 1 only after receiving the status READY from the new worker cli_io_handler_show_loadstatus() may exit very fast by showing load status 0, and in such case and mcli socket will be closed. This already breaks some regression tests and can confuse some APIs. So, let's slow down the load status delivery. If in the process list there is still some process, which is loading (PROC_O_INIT). appctx task will sleep in this case for 50ms and then return 0. cli_io_handler_show_loadstatus() is called in loop, so with such pacing, there is a high chance that the next time, when we enter in its scope all processes will have the state READY. Like this master CLI connection socket won't be closed until the loading of the new worker is really finished, thus the reload status and logs (Success=1/0) will be shown in synchronious way. |
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HAProxy
HAProxy is a free, very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications.
Installation
The INSTALL file describes how to build HAProxy. A list of packages is also available on the wiki.
Getting help
The discourse and the mailing-list are available for questions or configuration assistance. You can also use the slack or IRC channel. Please don't use the issue tracker for these.
The issue tracker is only for bug reports or feature requests.
Documentation
The HAProxy documentation has been split into a number of different files for ease of use. It is available in text format as well as HTML. The wiki is also meant to replace the old architecture guide.
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)
License
HAProxy is licensed under GPL 2 or any later version, the headers under LGPL 2.1. See the LICENSE file for a more detailed explanation.