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Re: lug-bg: Shaper desicions
- Subject: Re: lug-bg: Shaper desicions
- From: Mircho Mirchev <mircho@xxxxxxxxx>
- Date: Thu, 21 Jul 2005 14:33:02 +0300
- Delivered-to: lug-bg-list@xxxxxxxxxxxxxxxxxx
- Delivered-to: lug-bg@xxxxxxxxxxxxxxxxxx
znachi predlogenoto ot juniper ima 64K opashki - ne mislja, che shte
sa ti malko.
Osven tova veche javno minavash kym Service provider-ski orientirano
oborudvane - shte iskash redundancy; njakolko devetki uptime i t.n.
taka che pyrvo trjabva da si izjasnish kolko pari shte pravish s
takova "chudovishe" (za primer naj-malkija e s 5Gbps performance).
Mircho
JNCIS Certified :)
On 7/19/05, raptor@xxxxxxxxxx <raptor@xxxxxxxxxx> wrote:
> harduernite routeri sa neprilovimi... stoto pone az ne znam nqkoi
> koito da move da prawi tolkowa mnogo kanali kato linux shaper (pone az ne znam)
> Ako nqmate wpechatlenie otnosno konfiguraciqta.. nqkoi ima li ideq kolko interrupts per
> seconds e normalno za edna mrevowa karta ( w smisal sled kolko irq/s trqbwa da mislq drug wariant)
> W momenta pri men sa okolo ~3000irq/s i ~7000irq/s na drugata karta...
> Nqkoi s po golqm shaper move li da widi kolko sa pri nego... eto q komandata
>
> watch -n1 cat /proc/interrupts
>
> Iskam da razbera dali ako polzwam NAPI bazirana karta ste ima golqm efekt.
> (kakto i ako imate wpechatleniq za nai dobrata eth karta deto poddyrva NAPI, polzwah sysKonnect 1G wgradena
> ne se dyrveshe mnogo dobre )
>
> Za merene move da polzwate i toq skript :
>
> #!/bin/bash
>
> COUNTFILE=/tmp/count_interrupts.tmp
>
> currentvalue=$(cat /proc/interrupts | grep eth1 | awk '{print $2}')
> echo "current value = $currentvalue"
>
> if [ ! -f $COUNTFILE ]; then
> echo $currentvalue > $COUNTFILE
> fi
>
> oldvalue=$(cat $COUNTFILE)
> echo "previous value = $oldvalue"
> diff=$(expr $currentvalue - $oldvalue)
> echo $currentvalue > $COUNTFILE
> echo "difference = $diff"
>
>
>
>
> |>
> |> Определено 2xXeonP4 или 2xOpteron ще е по-добре :) Но нито имам опит с
> |> такива машини, нито наблюдения.
> |> Но един съвет, ако взимаш Xeon, определено (лично мнение) нямаш нужда
> |> от новите 64битовите. Т.е ненужно да си оскъпяваш.
> |>
> |
> |Както сте тръгнали, май ще излезе по ефтино и удачно да ползвате нещо
> |такова ;)
> |http://www.juniper.net/techpubs/hardware/erx/erx51x/hw-erx-install/html/system-overview4.html
> |
>
> -----
> http://linuxtoday.com/news_story.php3?ltsn=2004-12-08-004-32-OS-BZ-DT-0005
> snip> MS Office is popular in the same way as heart disease is the most popular way to die.
>
--
Eng. Mircho Mirchev
Project Manager
IT Department
Smartcom Bulgaria AD
www.smartcom.bg
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