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8a3f58280f
We have quite numerous checks for abnormal applet handler behavior which
are supposed to trigger the loop protection. However, consecutive to
commit 15252cd9c ("MEDIUM: stconn: move the RXBLK flags to the stream
connector") that was merged into 2.6-dev12, one flag was incorrectly
renamed, and the check for an applet waiting for a buffer that is present
mistakenly turned to a check for missing room in the buffer. This erroneous
test could mistakenly trigger on applets that perform intensive I/Os doing
small exchanges each (e.g. cache, peers or HTTP client) if the load would
be sustained (>100k iops). For the cache this could represent higher than
13 Gbps on an object at least 1.6 GB large for example, which is quite
unlikely but theoretically possible.
This fix needs to be backported to 2.6.
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)