performance of jailed processes

[Marc G. Fournier]

You are running 1000 jail's on one machine??  Now I'm impressed ... what
is the hardware?

On Wed, 31 Mar 2004, Dag-Erling [iso-8859-1] Smørgrav wrote:

> Robert Watson <rwatson at FreeBSD.org> writes:
> > Are your aliases configured on lo0, or on the ethernet interface?
>
> They're on the NIC.  I tried moving one of them to lo0 (made sure
> forwarding was enabled) and saw essentially no difference.  Average
> ping time went slightly down, but well within standard deviation, so
> it may have been a fluke.  Mysql performance was neither worse nor
> better.
>
> > Could
> > we see some excerpted ifconfig output for your interface (perhaps only ten
> > -- first five, last five of the 2000+ IP addresses :-).
>
> There are only ~1000:
>
> fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>         inet 1.2.80.2 netmask 0xffffffe0 broadcast 1.2.80.31
>         inet 1.2.84.2 netmask 0xfffffe00 broadcast 1.2.85.255
>         inet 1.2.84.3 netmask 0xffffffff broadcast 1.2.84.3
>         inet 1.2.84.4 netmask 0xffffffff broadcast 1.2.84.4
>         inet 1.2.84.5 netmask 0xffffffff broadcast 1.2.84.5
> [...]
>         inet 1.2.87.250 netmask 0xffffffff broadcast 1.2.87.250
>         inet 1.2.87.251 netmask 0xffffffff broadcast 1.2.87.251
>         inet 1.2.87.252 netmask 0xffffffff broadcast 1.2.87.252
>         inet 1.2.87.253 netmask 0xffffffff broadcast 1.2.87.253
>         inet 1.2.87.254 netmask 0xffffffff broadcast 1.2.87.254
>         ether 00:12:34:56:78:9a
>         media: Ethernet autoselect (100baseTX <full-duplex>)
>         status: active
>
> DES
> --
> Dag-Erling Smørgrav - des at des.no
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----
Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
Email: scrappy at hub.org           Yahoo!: yscrappy              ICQ: 7615664