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Bug#576649: [apt]: Very slow apt-get update



Hi Jens Seidel,

2010/4/6 Jens Seidel <jensseidel@users.sf.net>:
> Calling apt-get update on my OpenMoko phone (armel, 128MB RAM, sd card)
> takes forever:
[snip]
> The device is not the fastest but the CPU was idle all the time (2-3% used
> by bzip2) and I also doubt that IO (which is a bottleneck) is sooo slow. At
> least it should not need more than 2 hours to download 3B (this values is
> very very likely wrong).

mhh. I have one myself and never had such problems.
(gta2v5 unfixed - no special tricks, mostly plain install.sh debian)

Into the blue: Do you have a swap file?
Which software powers your brick?
Is your mircosd card okay?

My neo hardly needs 20 minutes for an "update" and i have pdiffs
enabled… e.g. in my recent run in which ~ 15 pdiffs were applied:
 Es wurden 2.325kB in 6Min 59s geholt (5.545B/s)

IO is really the bottleneck (you can see this in every rred run - they stuck
quite a bit at 0 and at the end) loading and saving 30 MB in the
sid Packages case is a bit to much to be done immediately but it should
really be (much) faster than an hour…


Best regards,

David Kalnischkies



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