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DOC: management: explain the change of behavior of the program section

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The program section does not work exactly the same way with the
master-worker rework of HAProxy 3.1. Let's explain it in the program
documentation.
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William Lallemand 2024-11-08 11:57:11 +01:00
parent 8e0e7d9d1a
commit 75b302d123
1 changed files with 6 additions and 0 deletions
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doc/configuration.txt
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@ -4769,6 +4769,12 @@ In master-worker mode, it is possible to launch external binaries with the
master, these processes are called programs. These programs are launched and master, these processes are called programs. These programs are launched and
managed the same way as the workers. managed the same way as the workers.
Since version 3.1, the program section has a slightly different behavior, the
section is parsed and the program is started from the master, but the rest of
the configuration is loaded in the worker. This mean the program configuration
is completely separated from the worker configuration, and a program could be
reexecuted even if the worker configuration is wrong upon a reload.
During a reload of HAProxy, those processes are dealing with the same During a reload of HAProxy, those processes are dealing with the same
sequence as a worker: sequence as a worker: