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Date:      Wed, 6 Feb 2019 19:58:43 +0100
From:      Michael Grimm <trashcan@ellael.org>
To:        Kristof Provost <kp@FreeBSD.org>
Cc:        freebsd-jail@freebsd.org
Subject:   Re: vnet NAT'd jails extremely slow, connection dies
Message-ID:  <B7E204AC-BAFC-4F33-98E2-0BD718E01BD7@ellael.org>
In-Reply-To: <20190205175845.GA86328@vega.codepro.be>
References:  <CAFd4kYCZVNAE1cPWqQKwVs3G-iDF130P4yuESV-5iN5bBL83DA@mail.gmail.com> <CAFd4kYDHabjKQb_YwTU29PzhV-FKtoTxHTxOkU6MQw59rBEb4g@mail.gmail.com> <2B6B82BC-1105-4D3B-AD6C-E74109A76113@ellael.org> <20190205175845.GA86328@vega.codepro.be>

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Kristof Provost <kp@FreeBSD.org> wrote:

> These are questions for anyone who's running pf on top of a hypervisor
> and has vnet or other jails, and has seen slowdowns.
>=20
> * What hypervisor are you running?

I do not know. It is a cloud hosted on OVH infrastructure in France =
https://www.ovh.co.uk/public-cloud/instances/technologies/
But I do not know which hypervisor they use, sorry.

> * Does the problem affect only the jails, or also the host system?

The host didn't show any slowdown. Only within a jail the performance =
drop dramatically.

> * Does it only happen with NAT, or with routed packets as well?

In my case it happens with NAT, never tried routed packets.

HTH,
Michael




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