df50d3e39f
The previous commit has implemented a new calcul method for MAX_STREAM_DATA frame emission. Now, a frame may be emitted as soon as a buffer was consumed by a QCS instance. This will probably increase the number of MAX_STREAM_DATA frame emission. It may even cause a series of frame emitted for the same stream with increasing values under high load, which is completely unnecessary. To improve this, limit the number of MAX_STREAM_DATA frames built to one per QCS instance. This is implemented by storing a reference to this frame in QCS structure via a new member <tx.msd_frm>. Note that to properly reset QCS msd_frm member, emission of flow-control frames have been changed. Now, each frame is emitted individually. On one side, it is better as it prevent to emit frames related to different streams in a single datagram, which is not desirable in case of packet loss. However, this can also increase sendto() syscall invocation. |
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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.