[Yum] yum check-update performance slow

[Mike McIntyre]

Used the yum-metadata-parser-1.1.0.tar.gz and modified 
yum-metadata-parser.spec for python_sitelib_platform location. rpmbuild 
--bb yum-metadata-parser.spec successfully produced a 
yum-metadata-parser-1.1.0-1.s390x.rpm file. Also was able to rpmbuild 
pygpgme-0.1-8.s390x.rpm, python-iniparse-0.2.4-3.5.s390x.rpm files and 
install these prequisites.

rpm -e yum-2.4.2-13.4 and rpm -i yum-3.2.23-0.noarch.rpm 
yum-metadata-parser-1.1.0-1.s390x.rpm successfull.  yum check-update 
failed with message "No module named yum".  Found 
http://www.linux-archive.org/fedora-development/315317-upgrade-f11-now-yum-python-module-missing.html 
with command export PYTHONPATH=/usr/lib/python2.4/site-packages that 
resolved this problem.

yum check-update fails with:
(process:10777): GLib-CRITICAL **: g_timer_stop: assertion `timer != NULL' 
failed
(process:10777): GLib-CRITICAL **: g_timer_destroy: assertion `timer != 
NULL' failed
Traceback (most recent call last):
  File "/usr/bin/yum", line 29, in ?
    yummain.user_main(sys.argv[1:], exit_code=True)
  File "/usr/share/yum-cli/yummain.py", line 309, in user_main
    errcode = main(args)
  File "/usr/share/yum-cli/yummain.py", line 178, in main
    result, resultmsgs = base.doCommands()
  File "/usr/share/yum-cli/cli.py", line 348, in doCommands
    self._getTs(needTsRemove)
  File "/usr/lib/python2.4/site-packages/yum/depsolve.py", line 101, in 
_getTs
    self._getTsInfo(remove_only)
  File "/usr/lib/python2.4/site-packages/yum/depsolve.py", line 112, in 
_getTsInfo
    pkgSack = self.pkgSack
  File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 646, in 
<lambda>
    pkgSack = property(fget=lambda self: self._getSacks(),
  File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 488, in 
_getSacks
    self.repos.populateSack(which=repos)
  File "/usr/lib/python2.4/site-packages/yum/repos.py", line 260, in 
populateSack
    sack.populate(repo, mdtype, callback, cacheonly)
  File "/usr/lib/python2.4/site-packages/yum/yumRepo.py", line 184, in 
populate
    dobj = repo_cache_function(xml, csum)
  File "/usr/local/lib64/python2.4/site-packages/sqlitecachec.py", line 
40, in getPrimary
    self.repoid))
TypeError: Can not create index on requires table: near "NOT": syntax 
error

Found https://lists.dulug.duke.edu/pipermail/yum/2008-January/010452.html 
and tried yum clean metadata and then rm -rf /var/cache/yum.  Same error 
above again.
Noticed 
http://wiki.contribs.org/Updating_to_SME_7.2#GLib-CRITICAL_.2A.2A:_file_gtimer.c:_line_106_.28g_timer_stop.29
GLib-CRITICAL **: file gtimer.c: line 106 (g_timer_stop)
This error indicates that you have installed yum packages that require 
later versions of sqlite and python-sqlite than you have installed on your 
system.

rpm levels are sqlite-3.2.8-15.2, python-sqlite-1.1.6-17.4, 
python-2.4.2-18.13.  Did not see newer Novell levels of these rpms to 
install for SLES 10 SP1 s390x.

Did a rpmbuild and install for yum-3.2.22-0, yum-3.2.0-1, yum-3.1.0-1, 
yum-3.0.1-1.  yum check-update fails with same error above.

>From prereq checking all the yum-3.2.23-0, yum-3.2.22-0, yum-3.2.0-1, 
yum-3.1.0-1, yum-3.0.1-1 rpms successfully installed. 

Seth:
Should the yum-spec file be updated to specify the higher rpm prereq 
levels for yum-3.2.23-0?  Can you tell me the prereq levels of rpms for 
sqlite, python-sqlite, other rpms that are needed to avoid above error? Do 
I have to wait to install SLES 11 zlinux s390x to use the newer yum levels 
like yum-3.2.23-0?

Regards,....Mike McIntyre
Distributed System Management
Infrastructure Services | Server Support Team
Securities Industry Services | Financial Services Sector
IBM Global Technology Services, Canada
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