Re: Performance of tagfile scanning and similar things
On Tue, 20 Nov 2001, Daniel Burrows wrote:
> This code is called once per package (to build a list of which
> packages are in each task) If I make it always return an empty list,
> the performance is reasonable even on low-end machines. Similarly,
Unless you sort the list of versions by location on the disk the runtime
can be quite slow indeed. 'apt-cache dumpavail' is about what you are
doing and you can measure how fast it runs vs what you are up to.
That fact that you are seeing 1s on a modern box vs 30 mins reported
suggests it is thrashing the disk cache.
Jason
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