Re: [Vserver] packet shaping with vservers

From: Grzegorz Nosek <grzegorz.nosek_at_gmail.com>
Date: Wed 16 Nov 2005 - 16:18:48 GMT
Message-ID: <121a28810511160818nb3ca558u@mail.gmail.com>

2005/11/14, Björn Steinbrink <B.Steinbrink@gmx.de>:
>
> ~ $ gcc --version
> gcc (GCC) 3.4.4 (Gentoo 3.4.4-r1, ssp-3.4.4-1.0, pie-8.7.8)
> Copyright (C) 2004 Free Software Foundation, Inc.
>
> Kernel config is attached (for the vs2.1 kernel, the others were the same
> except for options not available in earlier version).
>
> Network setup is like this:
> 1: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
> link/ether 00:e0:81:55:09:b0 brd ff:ff:ff:ff:ff:ff
> inet 192.168.0.101/24 brd 192.168.0.255 scope global eth0
> inet 192.168.100.100/24 brd 192.168.100.255 scope global eth0
> 2: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> inet 127.0.0.1/8 brd 127.255.255.255 scope host lo
>
> 192.168.0.101 is the host's address, 192.168.100.100 is the guests
> address.
>
> HTH
> Björn

Hello,

I took the plunge and changed:
- mainline from 2.6.13.4 to 2.6.14.2
- vserver from 2.1.0-rc4 to 2.1.0-rc7
- gcc from 3.3.5 to 3.4.4
- cpu from athlon-xp to amd64 (still i386 arch though)

So far, so good. It doesn't seem to crash anymore (though it'll need a
few more days before declaring success), no weird HTB issues, but
(again... :) ) I found a strange behaviour with /proc/loadavg within
vservers:

v831: 766247.51 5805.21 96888.33 -8215/41 5845
d829: 222347.93 348850.89 612445.29 -7206/25 5857
v830: 116343.68 992898.43 661824.04 -65902/77 5869

It seems that nr_running has gone weird (it can be seen in
/proc/virtual/*/cvirt too). Have there been any patches regarding this
feature?

While on the host, I get quite normal numbers:

0.95 1.03 1.32 3/250 5904

On a brighter note, the machine is rock stable and is humming along
happily. Another box (dual Xeon) just can't be overloaded (whatever
we'd throw on it, it'd just ask for more), available disk space became
the limiting factor before CPU power (for the first time here AFAIK).

I'd like to thank the VServer team for doing such a fine job. My
respect and appreciation.

Best regards,
Grzegorz Nosek
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Received on Wed Nov 16 16:19:08 2005

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