Bug 202740 - yum headers much too large
yum headers much too large
Product: Fedora
Classification: Fedora
Component: yum (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Jeremy Katz
Depends On:
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Reported: 2006-08-16 02:42 EDT by Nils Philippsen
Modified: 2014-01-21 17:54 EST (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2007-04-25 14:17:59 EDT
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Description Nils Philippsen 2006-08-16 02:42:32 EDT
Description of problem:

When updating/upgrading, yum downloads headers that are nearly as large as the
final RPM itself.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. yum upgrade
Actual results:

root@wombat:/var/cache/yum/updates/packages> ls -l
squirrelmail-1.4.8-1.fc5.noarch.rpm  ../headers/squirrelmail-1.4.8-1.fc5.noarch.hdr
-rw-r--r-- 1 root root 4502093 Aug 15 18:39
-rw-r--r-- 1 root root 4502533 Aug 15 18:39 squirrelmail-1.4.8-1.fc5.noarch.rpm

Expected results:

yum headers significantly smaller than RPM (I don't think squirrelmail has only
440 bytes of payload).

Additional info:

I've seen this for quite a while, interesting is that there are no headers in
the repositories I looked at, so I guess it makes partial downloads of the
packages (and miscalculates severely).
Comment 1 Seth Vidal 2006-08-19 15:21:36 EDT
this feels much more like a proxy problem to me. Something not allowing
byte-ranges and doing something broken with it.

Is there anything like that in place?
Comment 2 Nils Philippsen 2006-08-22 10:39:48 EDT
Seems to be so (but the machines I see this on use proxies I can't fiddle
with)... Would it be possible for yum to use these files as packages if it
already had to download them completely?
Comment 3 Nils Philippsen 2006-08-29 04:43:27 EDT
I saw something else, namely that some headers are in the few KB range and
others in the MB range. I guess that some mirrors don't allow partial downloads.
Reusing the (already downloaded) package file would be a big imporvement in that
Comment 4 Jeremy Katz 2007-04-25 14:17:59 EDT
With yum 3.1.x and beyond, we're just killing off the header downloads entirely.

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