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Subject: [Bug 194568] New: [patch] add new sysctl for minimum soacceptqueue
 length
Date: Thu, 23 Oct 2014 23:37:39 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194568

            Bug ID: 194568
           Summary: [patch] add new sysctl for minimum soacceptqueue
                    length
           Product: Base System
           Version: 10.0-STABLE
          Hardware: amd64
                OS: Any
            Status: Needs Triage
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: nenolod@tortois.es

Created attachment 148599
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=148599&action=edit
freebsd-soacceptqueue-minimum.patch

Hello,

The attached patch adds a new sysctl:

   kern.ipc.soacceptqueue_minimum

It allows the system administrator to override the socket accept queue length. 
This is useful in cases where applications call listen(2) with too low of a
socket queue length for a busy deployment, yet there is no application tunable
for it.

I look forward to any comments on the patch, we are using it in production on a
large cluster already.

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