This bug should be reopened (I don't have permissions) since upgrading
to raring has the same issue. I even test with new saucy and it get a
poor perfomance. The process reading database list is running more
than 5 minutes for me in a quad-core i7 laptop with 20 GB RAM. I think
that it is not a
This has been fixed in dpkg 1.15.6 and later.
* Use FIEMAP when available (on Linux based systems) to sort the .list
files loading order. With a cold cache it improves up to a 70%.
Thanks to Morten Hustveit mor...@debian.org.
* When FIEMAP is not available use posix_fadvise() to start
@Matthew:
Yes, I think something more general is wrong. I noticed that a number of
the larger files used by aptitude, apt and dpkg have extreme
fragmentation on my disk (hundreds of fragments). And I have no idea why
that is - do they grow by a little bit every time, for example? Or are
There is a safer version in that thread:
http://ubuntuforums.org/showpost.php?p=8995096
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The method posted by Berk Demirkir also fixes the problem for me. I
followed the instructions exactly as described - no problems.
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The method posted by Berk Demirkir also fixes the problem for me. I
followed the instructions exactly as described - no problems.
And I broke my dpkg database this way and had to reinstall Ubuntu...
I'd be careful with these solutions, they can seriously mess up one's
files.
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Regards,
Michał
Just as an aside, I also get this bug, but it looks like disk activity
in general is slow:
time dd if=/dev/zero of=test.zero bs=1024 count=10
10+0 records in
10+0 records out
10240 bytes (102 MB) copied, 10.1394 s, 10.1 MB/s
dd if=/dev/zero of=test.zero bs=1024 count=10
And I broke my dpkg database this way and had to reinstall Ubuntu...
I'd be careful with these solutions, they can seriously mess up one's
files.
I agree that it is very risky, and a backup should be performed
beforehand.
Sorry to hear that it didn't work for you...
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Following method resolved my problem:
http://ubuntuforums.org/showthread.php?t=1004376
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Painfully slow in Karmic with ext4 on /. Never had this problem, going
way back to breezy, but I've also never used ext4 before this install.
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I'm not sure if its the same for all of you, but on my system it takes a
lot longer as everyones said on the first run of a command that causes
the database to be read, after that until I restart, I can then run any
other commands seemingly as fast as i could before (I don't notice any
running update-apt-xapian-index seems to solve the problem...
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sorry, #20 is no solution...
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I also have this issue on Karmic (amd64) after an upgrade. Before Karmic
I hadn't. dpkg --clear-avail doesn't help.
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As this bug has already been widely confirmed, there's no need to
further comment on it for that purpose. Simply mark it as affecting you
(right under the bug title). Thanks!
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I have the same issue with Lucid Lynx.
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Same problem here, since installing Ubuntu Karmic. No necessity to
detail my problem, because it fits exactly into the description of the
bug thread opener.
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** Changed in: dpkg (Ubuntu)
Status: New = Confirmed
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same here on karmic x86
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aw, sorry, wasn't finished yet.
Upgraded from Jaunty. Single ext4 root fs. dpkg --clear-avail didn't
show any effect either.
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Add me to the list of people with this problem. I have no encryption and
the clear does nothing to fix it either. Fresh install using ext4
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I've been experiencing this too, on 3 different machines (it's
especially painfully slow on my netbook). No encryption, and filesystem
is ext3 on 2 boxes and ext4 on the netbook.
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I started having this problem after upgrading to Karmic on all of my
three systems. (one is 64-bit server)
sudo dpkg --clear-avail seems to do some trick, but after some time
the duration of reading database increases back to the problematic
level. I tried this on all systems and experienced the
On my system also, reading database takes much more time than before (it
was actually almost instantaneous previously). This happens since I did
a *clean install* of Karmic, it's not an upgrade.
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i have the same problem since upgraded to karmic from jaunty
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*** This bug is a duplicate of bug 398870 ***
https://bugs.launchpad.net/bugs/398870
This is *not* a duplicate of #398870.
I have never experienced this issue with *any* *previous* *version* of
Ubuntu yet it occurred immediately after updating to karmic. Thus I must
assume that it is caused
*** This bug is a duplicate of bug 398870 ***
https://bugs.launchpad.net/bugs/398870
I for one do not use any encryption on my root partition, so I don't
think it's encryption related issue...
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*** This bug is a duplicate of bug 398870 ***
https://bugs.launchpad.net/bugs/398870
I can confirm the 'reading database' is much slower after upgrading to
Karmic. I've been using the same install since Feisty but it's the first
time it's going slow.
The --clear-avail had no effect as
** This bug is no longer a duplicate of bug 398870
Reading Database takes too long
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*** This bug is a duplicate of bug 398870 ***
https://bugs.launchpad.net/bugs/398870
The solution mentioned in bug #398870 worked for me:
Arnaud Jeansen wrote on 2009-08-17:
I remembered seeing a blog entry about it some time ago...
http://antti-juhani.kaijanaho.fi/newblog/archives/521
I
I have the same problem.
(Reading database ... 754388 files and directories currently installed.)
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Opening a large mailbox (in Maildir format) using mutt (mutt -f
=mailboxname) seems a lot slower in Karmic than what it was in Jaunty.
The versions of dpkg in Debian and in Karmic are not the same, but are
very close (1.15.4.1 versus 1.15.4ubuntu1). I do not see a slowness
problem with dpkg in
Same with a clean install. I installed beta when it came out and
Reading database... was painfully slow since the very beginning. I've
never seen something like this in any previous ubuntu incarnation.
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** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/33989503/Dependencies.txt
** Attachment added: XsessionErrors.txt
http://launchpadlibrarian.net/33989504/XsessionErrors.txt
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