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DOC: typo: maxconn paragraph is wrong due to a wrong buffer size

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HAProxy allocates 2 tune.bufsize, which is by default 16kB.

backport: 1.4 and above
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Baptiste Assmann 2016-03-06 23:34:31 +01:00 committed by Willy Tarreau
parent 33db600442
commit 79fb45d10b
1 changed files with 4 additions and 4 deletions
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8
doc/configuration.txt
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@ -4560,10 +4560,10 @@ maxconn <conns>
very high so that haproxy manages connection queues, instead of leaving the
clients with unanswered connection attempts. This value should not exceed the
global maxconn. Also, keep in mind that a connection contains two buffers
of 8kB each, as well as some other data resulting in about 17 kB of RAM being
consumed per established connection. That means that a medium system equipped
with 1GB of RAM can withstand around 40000-50000 concurrent connections if
properly tuned.
of tune.bufsize (16kB by default) each, as well as some other data resulting
in about 33 kB of RAM being consumed per established connection. That means
that a medium system equipped with 1GB of RAM can withstand around
20000-25000 concurrent connections if properly tuned.
Also, when <conns> is set to large values, it is possible that the servers
are not sized to accept such loads, and for this reason it is generally wise