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Re: dpkg crawling!

Quoth Zach:
> 0 upgraded, 44 newly installed, 0 to remove and 0 not upgraded.
> Need to get 906kB/73.4MB of archives.
> After unpacking 185MB of additional disk space will be used.
> Do you want to continue [Y/n]? Y
> Get:1 http://debian.mirrors.pair.com testing/main mesademos 6.2.1-1 [807kB]
> Get:2 http://debian.mirrors.pair.com testing/main stx2any 1.56-2 [98.8kB]
> Fetched 556kB in 2m23s (3862B/s)
> Extracting templates from packages: 100%
> Preconfiguring packages ...
> [At this point the trouble began and my CPU jumped way up for about 3 minutes.]

At this point dpkg performs some rather heavy disk actitity in /var. It reads its
database which means a lot of random access to the disk

> Selecting previously deselected package mysql-client-5.0.
> (Reading database ... 310013 files and directories currently installed.)
> [This is where things got really bad and I was over 90% CPU util for
> the next 17 minutes!]

Again, this is a very disk-intesive part as mysql-client isn't at all too small
and also packaged as a .deb, which is essentially a .tar.gz that has to be

> Any clue what is causing such poor performance and how I can fix it?

I don't want to be right, but please check dmesg for I/O Error warnings. I'm
suspecting the disk might have some problems. (particularly your /var partition)


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