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yum 3.1.4 and repository medata handling



Hi

The latest version of yum (3.1.4) in rawhide seems to be behaving rather inconsistently when it comes to dealing with repository metadata. I am cleaning the cache and metadata and rerunning different commands like yum info <package> and yum update to verify.

On some instances it downloads the compressed sqlite database directly. In other instances it downloads and parses the compressed xml file. Sometimes it downloads and parses the compressed xml file and then proceeds to download the compressed sqlite database too. It seems to be occurring randomly. Is there any explanation why. I cant see any reason for yum to redundantly download the exact same metadata is the form of both xml file and sqlite database.

Downloading the sqlite database has the advantage that the commands are much more faster (since it skips the "reading metadata" part) but the sqlite database (around 2 MB) also seems to be over the double the size of xml files (800 kb). I ran some basic benchmarks with time and Yum 3.1.4 in rawhide is much faster than yum 3.0.3 in FC6 except for the dependency resolving portion.

Rahul


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