456c3997b2
Out-of-order STREAM ACK are buffered in its related streambuf tree. On insertion, overlapping or contiguous ranges are merged together. The total size of buffered ack range is stored in <room> streambuf member and reported to QUIC MUX layer on streambuf release. The objective is to ensure QUIC MUX layer can allocate Tx buffers conveniently to preserve a good transfer throughput. Streamdesc is the overall container of many streambufs. It may also been released when its upper QCS instance is freed, after all stream data have been emitted. In this case, the active streambuf is also released via custom code. However, in this code path, <room> was not reported to the QUIC MUX layer. This bug caused wrong estimation for the QUIC MUX txbuf window, with bytes reamining even after all ACK reception. This may cause transfer freeze on other connection streams, with RESET_STREAM emission on timeout client. To fix this, reuse the existing qc_stream_buf_release() function on streamdesc release. This ensures that notify_room is correctly used. No need to backport. |
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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.