760d26a862
When data are sent using the kernel splicing, if a connection error occurred, the pipe must be released. Indeed, in that case, no more data can be sent and there is no reason to not release the pipe. But it is in fact an issue for the stream because the channel will appear are not empty. This may prevent the stream to be released. This happens on 2.8 when a filter is also attached on it. On 2.9 and upper, it seems there is not issue. But it is hard to be sure and the current patch remains valid is all cases. On 2.6 and lower, the code is not the same and, AFAIK, there is no issue. This patch must be backported to 2.8. However, on 2.8, there is no zero-copy data forwarding. The patch must be adapted. There is no done_ff/resume_ff callback functions for muxes. The pipe must released in sc_conn_send() when an error flag is set on the SE, after the call to snd_pipe callback function.
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.