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Date:      Tue, 30 May 2017 10:33:41 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-bugs@FreeBSD.org
Subject:   [Bug 219644] FreeBSD 11 + nginx + apache delay +0.1 second on files greater than 32768 bytes
Message-ID:  <bug-219644-8-xJ6uy4J7uA@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-219644-8@https.bugs.freebsd.org/bugzilla/>
References:  <bug-219644-8@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219644

--- Comment #8 from freebsd@ihead.ru ---
sysctl net.inet.tcp.delayed_ack
net.inet.tcp.delayed_ack: 1

sysctl net.inet.tcp.delacktime
net.inet.tcp.delacktime: 100

1)
sysctl net.inet.tcp.delayed_ack=0
net.inet.tcp.delayed_ack: 1 -> 0

Problem is not reproduced.

2)
sysctl net.inet.tcp.delayed_ack=1
net.inet.tcp.delayed_ack: 0 -> 1

sysctl net.inet.tcp.delacktime=200
net.inet.tcp.delacktime: 100 -> 200

Problem is reproduced with +0.2 seconds delay.

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