Am 27.05.2013 09:32, schrieb Jan Zelený: > On 25. 5. 2013 at 09:34:32, Nico Kadel-Garcia wrote: >> On Wed, May 22, 2013 at 11:55 AM, Michael Ekstrand <michael@xxxxxxxxxxx> > wrote: >>> Performance improvement: improve scaling to 5K+ installed packages. >> >> * Amen. This is particularly compounded by poor caching default >> behavior, so that a few yum commands in a row each wind up reaching >> out to downloading metadata again, and again, and again. >> >> I think this can be addressed by moving the metadata updates to a >> different function, and calling it *separately* only as needed. The >> Debian "apt" tool does this quite effectively. > > Unfortunately there is not much we can do about this. Debian has completely > different repository policy - they keep all versions of packages in the repo so > there is no need to update metadata on client machines every time what does keep old versions or not change besides you need to do "apt-get update" if you want to find "apt-get upgrade" to find new packages? the real problem is that the metadata are *way too fat* in Fedora after a "yum clean metadata && yum update" on a slow line you have to wait a very long time and even the download of the presto-metadata often is larger and takes longer as the packages which are updated in reality hey on my 100 Mbit all is nice and fine but on a machine behind DSL with around 100 KB/Second it is way too slow and large and i refuse to imagine how this feels on a 56kbit modem
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