Mailinglist Archive: opensuse-factory (1165 mails)

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Re: [opensuse-factory] ZMD consumes 70-85% cpu during more than 150 minutes...
  • From: "Robby (M9.) Verberne" <monkey9@xxxxxx>
  • Date: Mon, 06 Nov 2006 14:43:48 +0100
  • Message-id: <454F3C14.2070700@xxxxxx>
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Dominique Leuenberger schreef:
>
>
>>>> Reply on 06-11-2006 15:14:12 <<<> -----BEGIN PGP SIGNED
> MESSAGE-----
>> Hash: SHA1
>>
>>
>>
>> Dominique Leuenberger schreef:
>>>
>>>>>> Reply on 06-11-2006 14:51:33 <<<> -----BEGIN PGP SIGNED
>>> MESSAGE-----
>>>> Hash: SHA1
>>>>
>>>> Hi,
>>>>
>>>> As subject,
>>>>
>>>> 2958 root 34 19 215m 12m 3428 R 80.2 2.6 55:03.02 zmd
>>>> 2958 root 34 19 215m 15m 3860 R 79.6 3.2 118:37.63 zmd
>>>> 2958 root 34 19 215m 15m 3856 R 76.7 3.2 162:21.22 zmd
>>>>
>>>>
>>> Hey,
>>>
>>> do we have to expect such a mail every few minutes now on the
> list?
>>> Maybe the best would be to open a BugZilla tracker or find out
> what
>>> happened?
>>>
>>> Will help you and everybody much more than having this message
> every
>>> few minutes.
>>>
>>> Greetings,
>>> Dominique
>> Is that the reason why you sent the same message twice?
>> Or are you in some way compelled with zmd, so you do not want to see
>> the
>> app is invalid?
>>
>> What I am trying to prove with this, is that the app is useless at
> this
>> time, (as it was in 101), and that we all need something like smart,
>> and
>> smart update checker, instead of this resources consuming monster,
> that
>> is not productive at all....
>>
>
> I think one problem we all experiance here (and I'm not even sure Smart
> would handle this different) is the fact, the a zmd refresh has to get
> the current catalog infos from a server (I think it's downloading
> primary.xml.gz and filelists.xml.gz and maybe even other.xml.gz, can a
> ZMD expert comment on this?)
>
> Especially in the Factory tree which is very unstable at the moment,
> these catalog files are changing regularly (several times a week) and
> thus have to be downloaded over and over again.
>
> Once the tree is considered stable, these catalogs get downloaded a
> single time and only the update tree is modified. AFAIK, zmd keeps the
> timestamps of the last update of these catalogs, and if not changed,
> decides not to download them.
>
> A short look on the files show, that it is downloading around 60MB at
> the moment. This might take a while. Here, probably the FTP/HTTP[S] Get
> method is not as cpu friendly as it could be, or maybe it's something
> completely different.

It was not downloading anything, nor doing anything I commanded it to
do, that's why I think it is very unusual, to take this much resources,
for such a long time.
>
> Maybe some zmd guy could comment on this? Or maybe I should start
> digging around in the sources :-)
>
> Greetings,
> Dominique
>
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