On Thu, 13 Aug 2009, Mike McIntyre wrote:
Novell provides a yum-2.4.2-13.4 rpm package on a SLES 10 SDK that were are using on SLES 10 SP1 zlinux s390x systems. We use Novell Subscription Management Tool (SMT) on a nightly basis to download SLES rpm updates and execute createrepo. First execution of yum check-update is really slow performance as shown below with 1012.65 + 2184.95 equal to about 52 minutes. Is there a performance fix for a certain yum level to process the primary.xml.gz files faster from yum check-update? staszs010:/etc # yum check-update Setting up repositories base 100% |=========================| 951 B 00:00 updates 100% |=========================| 951 B 00:00 Reading repository metadata in from local files primary.xml.gz 100% |=========================| 7.8 MB 00:03 base : 564/55117 base : ################################################# 54992/55117Added 54992 new packages, deleted 0 old in 1012.65 seconds primary.xml.gz 100% |=========================| 7.8 MB 00:01 updates : ################################################# 54992/55117Added 54992 new packages, deleted 0 old in 2184.95 seconds
There are a number of performance improvements - not the least of which is not doing the xml processing on the client at all - but they are all in later versions of yum.
Not much to be done on yum 2.4 anymore. -sv
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