A recurring problem I have had for several Fedora releases now is that Yum over time becomes slower and slower as more packages are installed. This is of course to be expected due to the DB growing, but in my case Yum has now become so slow that it is almost unusable. Normally, it takes 2-3 minutes just to install a single package. most of the time, this latency will take place between yum first being invoked, and the part where I am asked to accept that the packages are downloaded and installed. It thus seems to be a DB issue.

Is there any way to fix this??
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On Thu, 12 Jul 2012 11:21:42 +0200, Christopher Svanefalk wrote:

> A recurring problem I have had for several Fedora releases now is that Yum
> over time becomes slower and slower as more packages are installed. This is
> of course to be expected due to the DB growing, but in my case Yum has now
> become so slow that it is almost unusable. Normally, it takes 2-3 minutes
> just to install a single package. most of the time, this latency will take
> place between yum first being invoked, and the part where I am asked to
> accept that the packages are downloaded and installed. It thus seems to be
> a DB issue.
>
> Is there any way to fix this??

You could find out the cause. If it's reproducible/measurable for you,
explore the subdirectories in /var/lib/yum/ and clean up as much as you
like. Decide yourself which data you are not interested in. This stuff is
independent of the RPM DB, so you would only lose some details when running
"yum" queries, "yum history …", "yumdb …" e.g. the repo a package came from.

Especially in /var/lib/yum/yumdb/ lots of data pile up for installed
packages.

When have you last run "yum history new"? If would start a new history,
but old history files are kept in /var/lib/yum/history/ nevertheless here:

# du -hs /var/lib/yum/history
17M /var/lib/yum/history
# yum history new
Loaded plugins: auto-update-debuginfo, langpacks, presto, refresh-packagekit
history new
# du -hs /var/lib/yum/history
17M /var/lib/yum/history
# find /var/lib/yum/history | wc -l
1261

If that doesn't lead to anything:
Does it also affect ordinary Yum queries (yum list ..., yum info ...) as
well as "yum -C ..." operation (cache-only)? Or do you face issues with
network repository access?

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On Thu, 2012-07-12 at 11:21 +0200, Christopher Svanefalk wrote:
> A recurring problem I have had for several Fedora releases now is that
> Yum over time becomes slower and slower as more packages are
> installed. This is of course to be expected due to the DB growing, but
> in my case Yum has now become so slow that it is almost unusable.

Asking the obvious question - have you installed tons of stuff that you
don't actually use or need? (An install everything person.)

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Christopher Svanefalk wrote:

> A recurring problem I have had for several Fedora releases now is that Yum
> over time becomes slower and slower as more packages are installed. This
> is of course to be expected due to the DB growing, but in my case Yum has
> now become so slow that it is almost unusable. Normally, it takes 2-3
> minutes just to install a single package. most of the time, this latency
> will take place between yum first being invoked, and the part where I am
> asked to accept that the packages are downloaded and installed. It thus
> seems to be a DB issue.
>
> Is there any way to fix this??

some things that help me from time to time:

1. purge yumdb
rm -rf /var/cache/yum/yumdb/*

2. rebuild rpm database
rm -f /var/lib/rpm/__db*
rpm --rebuilddb

-- rex

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Rex Dieter wrote:

> Christopher Svanefalk wrote:
>
>> A recurring problem I have had for several Fedora releases now is that
>> Yum over time becomes slower and slower as more packages are installed.
>> This is of course to be expected due to the DB growing, but in my case
>> Yum has now become so slow that it is almost unusable. Normally, it takes
>> 2-3 minutes just to install a single package. most of the time, this
>> latency will take place between yum first being invoked, and the part
>> where I am asked to accept that the packages are downloaded and
>> installed. It thus seems to be a DB issue.
>>
>> Is there any way to fix this??
>
> some things that help me from time to time:
>
> 1. purge yumdb
> rm -rf /var/cache/yum/yumdb/*

arg, make that /var/lib/yum/yumdb/*

-- rex

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On 07/12/2012 02:21 AM, Christopher Svanefalk wrote:
A recurring problem I have had for several Fedora releases now is that
Yum over time becomes slower and slower as more packages are
installed. This is of course to be expected due to the DB growing, but
in my case Yum has now become so slow that it is almost unusable.
Normally, it takes 2-3 minutes just to install a single package. most
of the time, this latency will take place between yum first being
invoked, and the part where I am asked to accept that the packages are
downloaded and installed. It thus seems to be a DB issue.


Is there any way to fix this??


Check if you've installed yum-plugin-local -- it keeps a local copy of
the repo and can take a while to regenerate the db on each run...

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Thanks for the help so far everyone! I have done a lot of purging and cleaning according to the tips above, and I am going to see if it has changed over the coming days...it does look better at first glance


On Fri, Jul 13, 2012 at 7:06 AM, Konstantin Svist <fry.kun@gmail.com> wrote:

On 07/12/2012 02:21 AM, Christopher Svanefalk wrote:


A recurring problem I have had for several Fedora releases now is that Yum over time becomes slower and slower as more packages are installed. This is of course to be expected due to the DB growing, but in my case Yum has now become so slow that it is almost unusable. Normally, it takes 2-3 minutes just to install a single package. most of the time, this latency will take place between yum first being invoked, and the part where I am asked to accept that the packages are downloaded and installed. It thus seems to be a DB issue.




Is there any way to fix this??




Check if you've installed yum-plugin-local -- it keeps a local copy of the repo and can take a while to regenerate the db on each run...

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Best,
Christopher Svanefalk

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On 12/07/12 10:21, Christopher Svanefalk wrote:


Is there any way to fix this??



Disable presto if you are on a fast connection.
It can at times takes longer to rebuild than to
download a full package.



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