Mailinglist Archive: opensuse-features (41 mails)

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[openFATE 307862] zypper parallel downloading of packages
Feature changed by: Vincent Petry (PVince81)
Feature #307862, revision 21
Title: zypper parallel downloading of packages

openSUSE-11.3: Unconfirmed
Requester: Important

Requested by: Aris Karagiannidis (arkara)
Partner organization:

Now, i think that this is already done with apt.
What should happen is that zypper should download packages
concurrently and when it does download them all, then it should install

Business case (Partner benefit): Faster package management

#1: Lee Matheson (oldcpu) (2009-12-05 13:30:06)
IMHO the default setting for zypper should be (1) download and ONLY
after download of all selected apps/dependencies is complete then (2)

#2: Jan Engelhardt (jengelh) (2010-05-28 12:28:20)

#3: Ján Kupec (jkupec) (2010-05-28 12:39:53) (reply to #2)
This feature and comment #1 does not contradict #120340 (parallel
download and install). First, even if we download and install in
parallel, we still can download multiple files at once. Second,
download-all-install-all can still be the default, while alternating
download-few-while-installing-one, can be enabled on request or in zypp
(er).config (like it is now with download-one-install-one).

#4: Mário Castanheira (speccyman) (2012-10-30 20:39:43)
Does Zypper still suffers from this?

#5: Michael Andres (mlandres) (2012-10-31 10:50:40) (reply to #4)
We still don't download multiple files in parallel.
But the MultiCurl backend (replacing ARIA as default since libzypp-
8.0.1) implements MetaLink and Zsync support. So we download multiple
portions of the same file in parallel from multiple mirror locations,
if the hosting server supports it.

#6: Mário Castanheira (speccyman) (2012-11-06 15:55:45) (reply to #5)
So my question now is: would there be any gain of speed to also add a
"parallel downloading of packages", or there's not point in doing that
since we already "download multiple portions of the same file in

#7: Michael Andres (mlandres) (2012-11-06 16:57:17) (reply to #6)
I don't know if someone measured it, but I don't expect a big gain when
downloading from a server supporting MetaLink/Zsync.
Of course if the hosting server does not support it, the gain would be

#8: Mário Castanheira (speccyman) (2012-11-07 18:46:34) (reply to #7)
Ok, so this means it still is a good idea to implement this feature in
order to obtain more speed. :)

#9: John Beranek (johnberanek) (2013-03-16 15:56:28)
Yum in Fedora is now doing parallel downloads, and what it appears to
manage to do is keep a limited bandwidth link (I'm talking 6Mps DSL
here) nice and full, as there's no pause between individual downloads
as a new connection to the download server, as there are typically a
number of different RPMs actively downloading at any time.

+ #10: Vincent Petry (pvince81) (2015-02-05 22:06:58)
+ openSUSE 13.2 is out, is there still interest for this feature ?
+ In my case I'm using openSUSE Factory as rolling release and as you
+ might know the number of updated packages is usually quite high. Having
+ parallel download would help speed this up. :-)

openSUSE Feature:

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