b18e988e0d
It is possible to have front H1 connections waiting for the client timeout while they should be closed because a conneciton error was reported before sebding an error message to the client. It is not a leak because the connections are closed when the timeout expires but it is a waste of ressources, especially if the client timeout is high. When an early error message must be sent to the client, if an error was already detected, no data are sent and the output buffer is released. At this stage, the H1 connection is in CLOSING state and it must be released. But because of a bug, this is not performed. The client timeout is rearmed and the H1 connection is only closed when it expires. To fix the issue, the condition to close a H1C must also be evaluated when an error is detected before sending data. It is only an issue with idle client connections, because there is no H1 stream in that case and the error message is generated by the mux itself. This patch must be backported as far as 2.8. |
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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.