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Aurelien DARRAGON 1e0920f855 BUG/MINOR: peers: local entries updates may not be advertised after resync 
Since commit 864ac3117 ("OPTIM: stick-tables: check the stksess without
taking the read lock"), when entries for a local table are learned from
another peer upon resynchro, and this is the only peer haproxy speaks to,
local updates on such entries are not advertised to the peer anymore,
until they eventually expire and can be recreated upon local updates.

This is due to the fact that ts->seen is always set to 0 when creating
new entry, and also when touch_remote is performed on the entry.

Indeed, while 864ac3117 attempts to avoid useless updates, it didn't
consider entries learned from a remote peer. Such entries are exclusively
learned in peer_treat_updatemsg(): once the entry is created (or updated)
with new data, touch_remote is used to commit the change. However, unlike
touch_local, entries committed using touch_remote will not be advertised
to the peer from which the entry was just learned (otherwise we would
enter a looping situation). Due to the above patch, once an entry is
learned from the (unique) remote peer, 'seen' will be stuck to 0 so it
will never be advertised for its whole lifetime.

Instead, when entries are learned from a peer, we should consider that
the peer that taught us the entry has seen it.

To do this, let's set seen=1 in peer_treat_updatemsg() after calling
touch_remote(). This way, if we happen to perform updates on this entry,
it will be properly advertized to relevant peers. This patch should not
affect the performance gain documented in 864ac3117 given that the test
scenario didn't involved entries learned by remote peers, but solely
locally created entries advertised to remote peers upon updates.

This should be backported in 3.0 with 864ac3117.
2024-09-16 14:06:39 +02:00
.github CI: QUIC Interop: use different artifact names for uploading logs 2024-08-26 11:19:41 +02:00
addons MINOR: startup: rename readcfgfile in parse_cfg 2024-08-07 18:41:41 +02:00
admin CLEANUP: assorted typo fixes in the code and comments 2024-09-03 17:49:21 +02:00
dev DEV: patchbot: detect commit IDs starting with 7 chars 2024-09-04 09:41:40 +02:00
doc MINOR: server: allow init-state for dynamic servers 2024-09-10 18:18:38 +02:00
examples MEDIUM: protocol: add MPTCP per address support 2024-08-30 18:53:49 +02:00
include OPTIM: vars: use multiple name heads in the vars struct 2024-09-15 23:51:51 +02:00
reg-tests REGTESTS: shorten a bit the delay for the h1/h2 upgrade test 2024-09-10 10:36:59 +02:00
scripts SCRIPTS: create-release: no more need to skip architecture.txt 2024-07-10 15:38:45 +02:00
src BUG/MINOR: peers: local entries updates may not be advertised after resync 2024-09-16 14:06:39 +02:00
tests MAJOR: import: update mt_list to support exponential back-off (try #2) 2024-07-09 16:46:38 +02:00
.cirrus.yml CI: FreeBSD: upgrade image, packages 2024-06-04 11:19:00 +02:00
.gitattributes MINOR: Configure the cpp userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore CONTRIB: Add vi file extensions to .gitignore 2023-06-02 18:14:34 +02:00
.mailmap DOC: update Tim's address in .mailmap 2021-09-16 09:14:14 +02:00
.travis.yml CI: travis-ci: temporarily disable arm64 builds 2021-08-07 07:28:15 +02:00
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 3.1-dev7 2024-09-05 18:53:54 +02:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2021-08-16 12:37:59 +02:00
INSTALL DOC: install: don't reference removed CPU arg 2024-07-16 20:06:06 +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: import cebtree (compact elastic binary trees) 2024-09-15 23:44:59 +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 3.1-dev7 2024-09-05 18:53:54 +02:00
VERSION [RELEASE] Released version 3.1-dev7 2024-09-05 18:53:54 +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.