[maemo-users] About Process

[From: Denis Dimick]

I don't think you will see apt-get upgrade spawn child processes running
http, since it downloads and installs the files one at a time, I do think
the update switch will spawn a number of http processes.

I'm getting most of my information out of 'The DEBIAN SYSTEM" by Martin F.
Krafft. ISBN 1593270690

You may want to grab a copy and read chapter 5.

Denis


2008/7/14 Zhenghe Zhang <Zhenghe.Zhang at plenware.com>:

>  Hi Denis,
>
>          That  is right  that you say. But if you add many repositories and
> enter "apt-get  update" in terminal ,you will find many processes , do you
> think ?
>
>          Thanks
>
>
>
> Zhenghe Zhang
>
>
>  ------------------------------
>
> *From:* Denis Dimick [mailto:dgdimick at gmail.com]
> *Sent:* 2008年7月15日 0:26
> *To:* Marius Vollmer
> *Cc:* Zhenghe Zhang; maemo-users at maemo.org
> *Subject:* Re: About Process
>
>
>
> I think Marius is correct, apt-get will spawn child process, one for each
> repository, hoever, when downloading and installing via "apt-get install"
> there should only be one http process running to retrieve the application
> for install.
>
> Denis
>
> On Mon, Jul 14, 2008 at 7:06 AM, Marius Vollmer <marius.vollmer at nokia.com>
> wrote:
>
> "ext Zhenghe Zhang" <Zhenghe.Zhang at plenware.com> writes:
>
> > If you want to download three packages ,you will see three processes of
> > "/usr/lib/apt/methods/http". And if you want to download ten package
> > ,you will see ten processes.
>
> I don't think this is true.  Apt-get will use one "http" process per server
> for parallel downloading, not one per package.
>
>
> > I want to ask you about controling the processes of "http".I would like
> > to limit the number of the process when download many packages.
>
> You can use the Acquire::Queue-Mode setting.  See the "apt.conf" man
> page.
>
> Since we have so many repositories and since that seems to cause some
> problems, we should probably use
>
>    Acquire::Queue-Mode "access";
>
> by default.
>
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>
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