Tim Lauridsen wrote:
I did some basic testing of the current yum git HEAD vs. yum 3.2.2.
Yes, current git head is a bit slower than 3.2.2. There is a simple reason
for that: Linear searches on disk are even slower than linear searches in
memory.
In other words: We are still missing some indexes in the sqlite database to
really gain speed from the changes. For performance runs you can temporary
remove patch 3c2621ba8f8070f24ad3e979f6bd1699f6f6b394 or readd
42283902f929ac131cda7b3497ae047b497e02bc.
There are two possible permanent solutions:
Readd the patch mentions above and extend it that all indexes are created if
they are not present yet. I posted timings for creating these indexes some
weeks ago (2. Aug "Sqlite DB Indexes").
As alternative or in addition we could patch yum-metadata-parser to just add
the needed indexes.
I can provide patches for both as soon as there is a decision with way(s) we
want to go.
Florian
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