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HAProxy - Load balancer
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QUIC connections are pushed manually into a dedicated listener queue when they are ready to be accepted. This happens after handshake finalization or on 0-RTT packet reception. Listener is then woken up to dequeue them with listener_accept(). This patch comptabilizes the number of connections currently stored in the accept queue. If reaching a certain limit, INITIAL packets are dropped on reception to prevent further QUIC connections allocation. This should help to preserve system resources. This limit is automatically derived from the listener backlog. Half of its value is reserved for handshakes and the other half for accept queues. By default, backlog is equal to maxconn which guarantee that there can't be no more than maxconn connections in handshake or waiting to be accepted. |
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The HAProxy documentation has been split into a number of different files for ease of use. 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)