Re: [platform-releng-dev] Lots of unnecessary downloads during platform

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Re: [platform-releng-dev] Lots of unnecessary downloads during platform build?

From: Lars Vogel <lars.vogel@xxxxxxxxxxx>
Date: Fri, 14 Aug 2015 09:08:05 +0200
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FYI - David indicated in Bug 474885 that he reduced the number of
repos referred by the Eclipse composite repository. I can confirm that
I see much less [INFO] Fetching p2.index from
http://download.eclipse.org/eclipse/updates/4.6-N-builds/ entries now.

Best regards, Lars

On Thu, Aug 13, 2015 at 4:26 PM, Sievers, Jan <jan.sievers@xxxxxxx> wrote:
> I suspect you are referencing a composite repo that has lots of child
> repos.
> lots of p2 repos slow down the p2 resolution as p2 always loads all repos
> into memory.
> might be the reason for
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=474881
>
>
> Jan
>
> On 13/08/15 15:31, "platform-releng-dev-bounces@xxxxxxxxxxx on behalf of
> Lars Vogel" <platform-releng-dev-bounces@xxxxxxxxxxx on behalf of
> lars.vogel@xxxxxxxxxxx> wrote:
>
>>I would guess that we specify too many update sites in our master pom but
>>I did not validate that.
>>Am 13.08.2015 3:04 nachm. schrieb "David M Williams"
>><david_williams@xxxxxxxxxx>:
>>
>>That's a Tycho question ... and, as far as I know, it always "gets
>>everything".
>>
>>
>>
>>
>>From:        Lars Vogel <lars.vogel@xxxxxxxxxxx>
>>To:        "Eclipse platform release engineering list."
>><platform-releng-dev@xxxxxxxxxxx>,
>>
>>Date:        08/13/2015 05:18 AM
>>Subject:        [platform-releng-dev] Lots of unnecessary downloads
>>during platform        build?
>>Sent by:        platform-releng-dev-bounces@xxxxxxxxxxx
>>________________________________________
>>
>>
>>
>>Hi,
>>
>>if I run a build for an individual bundle I see that the p2.index is
>>fetch for lots of N-builds.
>>
>>Should this not only be the latest N-build?
>>
>>Best regards, Lars
>>
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150425-1500/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150702-0115/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150703-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150704-1500/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150705-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150706-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150707-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150708-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150709-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150710-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150711-1500/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150712-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150713-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150714-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150715-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150716-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150717-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150718-1500/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150719-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150720-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150721-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150722-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150723-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150724-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150725-1500/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150726-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150727-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150728-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150729-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150730-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150731-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150801-1500/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150807-2015/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150808-1500/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150809-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150810-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150811-2000/
>>(0B at 0B/s)
>>[INFO] Fetching p2.index from
>>http://download.eclipse.org/eclipse/updates/4.6-N-builds/N20150812-2000/
>>(0B at 0B/s)
>>
>>
>>--
>>Eclipse Platform UI and e4 project co-lead
>>CEO vogella GmbH
>>
>>Haindaalwisch 17a, 22395 Hamburg
>>Amtsgericht Hamburg: HRB 127058
>>Geschäftsführer: Lars Vogel, Jennifer Nerlich de Vogel
>>USt-IdNr.: DE284122352
>>Fax (032) 221739404 <tel:%28032%29%20221739404>, Email:
>>lars.vogel@xxxxxxxxxxx, Web:
>>http://www.vogella.com <http://www.vogella.com/>
>>_______________________________________________
>>platform-releng-dev mailing list
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>>
>>
>>_______________________________________________
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>>
>>
>>
>
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-- 
Eclipse Platform UI and e4 project co-lead
CEO vogella GmbH

Haindaalwisch 17a, 22395 Hamburg
Amtsgericht Hamburg: HRB 127058
Geschäftsführer: Lars Vogel, Jennifer Nerlich de Vogel
USt-IdNr.: DE284122352
Fax (032) 221739404, Email: lars.vogel@xxxxxxxxxxx, Web: http://www.vogella.com

Follow-Ups:
- Re: [platform-releng-dev] Lots of unnecessary downloads during platform build?
  - From: Sievers, Jan

References:
- [platform-releng-dev] Lots of unnecessary downloads during platform build?
  - From: Lars Vogel
- Re: [platform-releng-dev] Lots of unnecessary downloads during platform build?
  - From: David M Williams
- Re: [platform-releng-dev] Lots of unnecessary downloads during platform build?
  - From: Lars Vogel
- Re: [platform-releng-dev] Lots of unnecessary downloads during platform build?
  - From: Sievers, Jan

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