e944944990
Termination events logs will be used to report the events that led to close a connection. Unlike flags, that reflect a state, the idea here is to store a log to preserve the order of the events. Most of time, when debugging an issue, the order of the events is crucial to be able to understand the root cause of the issue. The traces are trully heplful to do so. But it is not always possible to active them because it is pretty verbose. On heavily loaded platforms, it is not acceptable. We hope that the termination events logs will help us in that situations. One termination events log will be be store at each layer (connection, mux connection, mux stream...) as a 32-bits integer. Each event will be store on 8 bits, 4 bits for the location and 4 bits for the type. So the first four events will be stored only for each layer. It should be enough why a connection is closed. In this patch, the enums defining the termination event locations and types are added. The macro to report a new event is also added and a function to convert a termination events log to a string that could be display in log messages for instance. |
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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.