Re: [Samba] Samba46 Listen queue overflow in FreeBSD 11.1
- Date: Sat, 20 Jan 2018 11:58:13 +0100
- From: "Timur I. Bakeyev via samba" <samba@xxxxxxxxxxxxxxx>
- Subject: Re: [Samba] Samba46 Listen queue overflow in FreeBSD 11.1
While ago I had an idea to look into that area and, possibly, to add
support for the:
accf_data – buffer incoming connections until data arrives
that should allow a bit better control over the listen wait queue and
offload the userspace load.
On Wed, Jan 17, 2018 at 5:20 PM, Peter Eriksson via samba <
> Ah. Anyway, the patch is pretty straight forward (and you could probably
> write a better one :-). But anyway, here’s a link to a web page where it
> can be downloaded from in case someone else needs it / wants to have a look:
> https://people.ifm.liu.se/peter/patches/samba/ <
> It’s based on Samba 4.7.3 currently.
> [Lı.U] System Administrator ITI-NET IT.LiU.SE +46-13-28 2786
> > On 16 Jan 2018, at 23:45, Andrew Bartlett <abartlet@xxxxxxxxx> wrote:
> > On Tue, 2018-01-16 at 22:56 +0100, Peter Eriksson via samba wrote:
> >> There are a number of rather low listen() queue limits in Samba which
> we also ran into on our pretty busy (around 300-500 users/server) Samba
> servers, also on FreeBSD 11.1 (six servers with 256GB RAM, 2x10Gbit
> ethernet, 140TB of storage).
> >> Please find enclosed a patch we use to up the limits (quite a bit).
> > Sadly the list ate your patch. Patches are best sent to samba-
> > technical in any case.
> > Sorry,
> > Andrew Bartlett
> > --
> > Andrew Bartlett http://samba.org/~abartlet/
> > Authentication Developer, Samba Team http://samba.org
> > Samba Developer, Catalyst IT http://catalyst.net.nz/
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