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Willy Tarreau 9b9f8477f8 MEDIUM: backend: use a trylock to grab a connection on high FD counts as well
Commit b1adf03df ("MEDIUM: backend: use a trylock when trying to grab an
idle connection") solved a contention issue on the backend under normal
condition, but there is another one further, which only happens when the
number of FDs in use is considered too high, and which obviously causes
random crashes with just 16 threads once the number of FDs is about to be
exhausted.

Like the aforementioned patch, this one should be backported to 2.3.
2021-03-27 09:39:23 +01:00
.github CI: github actions: update LibreSSL to 3.2.5 2021-03-20 09:32:52 +01:00
contrib MINOR: opentracing: use pool_alloc(), not pool_alloc_dirty() 2021-03-22 15:35:53 +01:00
doc MEDIUM: cli: add a new experimental "set var" command 2021-03-26 16:57:43 +01:00
examples CLEANUP: assorted typo fixes in the code and comments 2020-06-26 11:27:28 +02:00
include MINOR: compat: add short aliases for a few very commonly used types 2021-03-26 17:54:15 +01:00
reg-tests MEDIUM: cli: add a new experimental "set var" command 2021-03-26 16:57:43 +01:00
scripts BUILD: Makefile: move REGTESTST_TYPE default setting 2021-02-05 11:41:16 +01:00
src MEDIUM: backend: use a trylock to grab a connection on high FD counts as well 2021-03-27 09:39:23 +01:00
tests MEDIUM: config: remove the deprecated and dangerous global "debug" directive 2020-10-09 19:18:45 +02:00
.cirrus.yml CI: cirrus: update FreeBSD image to 12.2 2021-02-12 16:04:52 +01:00
.gitattributes MINOR: Configure the cpp userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore CLEANUP: Update .gitignore 2020-09-12 13:11:24 +02:00
.travis.yml CI: travis-ci: drop coverity scan builds 2020-12-22 19:39:23 +01:00
BRANCHES DOC: fix some spelling issues over multiple files 2021-01-08 14:53:47 +01:00
CHANGELOG [RELEASE] Released version 2.4-dev13 2021-03-19 17:16:18 +01:00
CONTRIBUTING DOC: fix some spelling issues over multiple files 2021-01-08 14:53:47 +01:00
INSTALL DOC: fix some spelling issues over multiple files 2021-01-08 14:53:47 +01:00
LICENSE
MAINTAINERS DOC: Update the module list in MAINTAINERS file 2021-02-24 22:09:57 +01:00
Makefile REORG: global: move initcall register code in a dedicated file 2021-03-26 15:28:33 +01:00
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VERDATE [RELEASE] Released version 2.4-dev13 2021-03-19 17:16:18 +01:00
VERSION [RELEASE] Released version 2.4-dev13 2021-03-19 17:16:18 +01:00

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)