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Christopher Faulet d7da3dd928 BUG/MEDIUM: spoe: Fix policy to close applets when SPOE connections are queued 
It is the second part of the fix that should solve fairness issues with the
connections management inside the SPOE filter. Indeed, in multithreaded
mode, when the SPOE detects there are some connections in queue on a server,
it closes existing connections by releasing SPOE applets. It is mandatory
when a maxconn is set because few connections on a thread may prenvent new
connections establishment.

The first attempt to fix this bug (9e647e5af "BUG/MEDIUM: spoe: Kill applets
if there are pending connections and nbthread > 1") introduced a bug. In
pipelining mode, SPOE applets might be closed while some frames are pending
for the ACK reply. To fix the bug, in the processing stage, if there are
some connections in queue, only truly idle applets may process pending
requests. In this case, only one request at a time is processed. And at the
end of the processing stage, only truly idle applets may be released. It is
an empirical workaround, but it should be good enough to solve contention
issues when a low maxconn is set.

This patch should partely fix the issue #1340. It must be backported as far
as 2.0.
2021-08-05 10:07:43 +02:00
.github DOC: Replace issue templates by issue forms 2021-06-24 04:15:04 +02:00
addons BUILD: opentracing: fixed build when using pkg-config utility 2021-08-01 18:18:29 +02:00
admin BUG/MINOR: systemd: must check the configuration using -Ws 2021-07-26 11:03:54 +02:00
dev CLEANUP: dev/flags: remove useless test in the stdin number parser 2021-04-03 15:29:10 +02:00
doc MAJOR: fd: get rid of the DWCAS when setting the running_mask 2021-08-04 16:03:36 +02:00
examples MEDIUM: proxy: remove long-broken 'option http_proxy' 2021-07-18 19:35:32 +02:00
include MINOR: spoe: Add a pointer on the filter config in the spoe_agent structure 2021-08-05 10:07:43 +02:00
reg-tests MINOR: log: rename 'dontloglegacyconnerr' to 'log-error-via-logformat' 2021-08-02 10:42:42 +02:00
scripts CI: ssl: keep the old method for ancient OpenSSL versions 2021-06-17 15:40:53 +02:00
src BUG/MEDIUM: spoe: Fix policy to close applets when SPOE connections are queued 2021-08-05 10:07:43 +02:00
tests MINOR: config: reject long-deprecated "option forceclose" 2021-06-11 16:57:34 +02:00
.cirrus.yml CI: introduce scripts/build-vtest.sh for installing VTest 2021-05-18 10:48:30 +02:00
.gitattributes MINOR: Configure the cpp userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore ADDONS: make addons/ discoverable by git via .gitignore 2021-05-07 16:48:14 +02:00
.travis.yml CI: introduce scripts/build-vtest.sh for installing VTest 2021-05-18 10:48:30 +02:00
BRANCHES DOC: fix some spelling issues over multiple files 2021-01-08 14:53:47 +01:00
CHANGELOG [RELEASE] Released version 2.5-dev3 2021-08-01 18:19:51 +02:00
CONTRIBUTING CLEANUP: contrib: remove the last references to the now dead contrib/ directory 2021-04-21 15:13:58 +02:00
INSTALL CLEANUP: shctx: remove the different inter-process locking techniques 2021-06-15 16:52:42 +02:00
LICENSE
MAINTAINERS CONTRIB: move spoa_example out of the tree 2021-04-21 09:39:06 +02:00
Makefile REORG: config: move the condition preprocessing code to its own file 2021-07-16 19:18:41 +02:00
README DOC: create a BRANCHES file to explain the life cycle 2019-06-15 22:00:14 +02:00
ROADMAP DOC: update the outdated ROADMAP file 2019-06-15 21:59:54 +02:00
SUBVERS
VERDATE [RELEASE] Released version 2.5-dev3 2021-08-01 18:19:51 +02:00
VERSION [RELEASE] Released version 2.5-dev3 2021-08-01 18:19:51 +02:00

README 

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)