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

if you are using

http://download.eclipse.org/eclipse/updates/4.6-N-builds/


for build IMHO it does not make sense to have any more than exactly one
build in there.
If you build against a combination of the last N nightly builds,
dependency resolution is completely undefined.


Regards
Jan

On 14/08/15 09:08, "platform-releng-dev-bounces@xxxxxxxxxxx on behalf of
Lars Vogel" <platform-releng-dev-bounces@xxxxxxxxxxx on behalf of
lars.vogel@xxxxxxxxxxx> wrote:

>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
>>>platform-releng-dev@xxxxxxxxxxx
>>>To change your delivery options, retrieve your password, or unsubscribe
>>>from this list, visit
>>>https://dev.eclipse.org/mailman/listinfo/platform-releng-dev
>>>
>>>
>>>_______________________________________________
>>>platform-releng-dev mailing list
>>>platform-releng-dev@xxxxxxxxxxx
>>>To change your delivery options, retrieve your password, or unsubscribe
>>>from this list, visit
>>>https://dev.eclipse.org/mailman/listinfo/platform-releng-dev
>>>
>>>
>>>
>>
>> _______________________________________________
>> platform-releng-dev mailing list
>> platform-releng-dev@xxxxxxxxxxx
>> To change your delivery options, retrieve your password, or unsubscribe
>>from this list, visit
>> https://dev.eclipse.org/mailman/listinfo/platform-releng-dev
>
>
>
>-- 
>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
>_______________________________________________
>platform-releng-dev mailing list
>platform-releng-dev@xxxxxxxxxxx
>To change your delivery options, retrieve your password, or unsubscribe
>from this list, visit
>https://dev.eclipse.org/mailman/listinfo/platform-releng-dev



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