Duncan, Duncan Mac-Vicar Prett wrote on 2009-09-10:
On Thursday 10 September 2009 10:51:54 Zhu, Peter J wrote:
Hi,
I did a yum vs zypp performance evaluation against a yum repository. Just like what http://duncan.mac-vicar.com/blog/archives/309 suggested, zypper is better than yum if I just stop after yum/zypper ask user if do a really installation/update.
Summary: yum make dbcache 14.985s zypper ref -B 9.435s yum install make 6.935s zypper in make: 1.247s yum upgrade 17.486s zypper update: 1.795s
But if I did a real installation/update with 57 packages in one time, zypper performance is worse than yum. Yum just needs 5m38s but zypper needs 6m40s. I can see some difference is that yum would try download all the packages at first and then install them in local system while zypper would do an iteration of retrieve/install one by one that should be the root cause.
ZYpp head (what will be present in 11.2 and SLE SP1) has a policy for this, so it can be switched to download first.
Cool. Does libzypp-6.14.2 in factory support this feature? -- To unsubscribe, e-mail: zypp-devel+unsubscribe@opensuse.org For additional commands, e-mail: zypp-devel+help@opensuse.org