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HAProxy - Load balancer
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Aurelien DARRAGON c26ac3f5e4 BUG/MINOR: sink: retry attempt for sft server may never occur 
Since 9561b9fb6 ("BUG/MINOR: sink: add tempo between 2 connection
attempts for sft servers"), there is a possibility that the tempo we use
to schedule the task expiry may point to TICK_ETERNITY as we add ticks to
tempo with a simple addition that doesn't take care of potential wrapping.

When this happens (although relatively rare, since now_ms only wraps every
49.7 days, but a forced wrap occurs 20 seconds after haproxy is started
so it is more likely to happen there), the process_sink_forward() task
expiry being set to TICK_ETERNITY, it may never be called again, this
is especially true if the ring section only contains a single server.

To fix the issue, we must use tick_add() helper function to set the tempo
value and this way we ensure that the value will never be TICK_ETERNITY.

It must be backported everywhere 9561b9fb6 was backported (up to 2.6
it seems).
2025-10-03 14:31:05 +02:00
.github CI: github: build halog on the vtest job 2025-09-26 16:29:29 +02:00
addons MINOR: applet: Add a flag to know an applet is using HTX buffers 2025-08-25 11:11:05 +02:00
admin ADMIN: reload: introduce -vv mode 2025-09-29 19:29:10 +02:00
dev DEV: gdb: add a memprofile decoder to the debug tools 2025-07-16 15:33:33 +02:00
doc [RELEASE] Released version 3.3-dev9 2025-10-03 12:12:51 +02:00
examples MINOR: mailers: warn if mailers are configured but not actually used 2025-06-27 16:41:18 +02:00
include MINOR: rawsock: introduce CO_RFL_TRY_HARDER to detect closures on complete reads 2025-10-01 10:23:01 +02:00
reg-tests REGTESTS: ssl: Fix the script about automatic SNI selection 2025-09-08 15:55:56 +02:00
scripts CI: scripts: build curl with ECH support 2025-09-25 17:05:46 +02:00
src BUG/MINOR: sink: retry attempt for sft server may never occur 2025-10-03 14:31:05 +02:00
tests TESTS: quic: add unit-tests for QUIC TX part 2025-09-08 14:49:03 +02:00
.cirrus.yml CI: cirrus-ci: bump FreeBSD image to 14-2 2025-02-12 13:18:55 +01:00
.gitattributes MINOR: Configure the cpp userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore MINOR: tevt/dev: Add term_events tool 2025-01-31 10:41:50 +01:00
.mailmap DOC: update Tim's address in .mailmap 2021-09-16 09:14:14 +02:00
.travis.yml MEDIUM: mworker: remove USE_SYSTEMD requirement for -Ws 2024-11-20 12:07:38 +01:00
BRANCHES DOC: fix some spelling issues over multiple files 2021-01-08 14:53:47 +01:00
BSDmakefile BUILD: makefile: commit the tiny FreeBSD makefile stub 2023-05-24 17:17:36 +02:00
CHANGELOG [RELEASE] Released version 3.3-dev9 2025-10-03 12:12:51 +02:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2025-04-02 11:12:20 +02:00
INSTALL BUILD: makefile: bump the default minimum linux version to 4.17 2025-09-05 09:44:56 +02:00
LICENSE LICENSE: add licence exception for OpenSSL 2012-09-07 13:52:26 +02:00
MAINTAINERS MAJOR: spoe: Let the SPOE back into the game 2024-05-22 09:04:38 +02:00
Makefile IMPORT: cebtree: import version 0.5.0 to support duplicates 2025-09-16 09:23:46 +02:00
README.md DOC: change the link to the FreeBSD CI in README.md 2024-06-03 15:21:29 +02:00
SUBVERS BUILD: use format tags in VERDATE and SUBVERS files 2013-12-10 11:22:49 +01:00
VERDATE [RELEASE] Released version 3.3-dev9 2025-10-03 12:12:51 +02:00
VERSION [RELEASE] Released version 3.3-dev9 2025-10-03 12:12:51 +02:00

README.md

HAProxy

alpine/musl AWS-LC openssl no-deprecated Illumos NetBSD FreeBSD VTest

HAProxy logo

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:

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.