[gentoo-user] Should emerge --sync be so slow?

[gentoo-user] Should emerge --sync be so slow?

[Alex Bennee]

As my system has become more lived in I've noticed the time taken to
update the cache at the end of an emerge --sync is getting slower and
slower. The system will hang around 50% for a long time and thrash the
crap out of the disks.

Is this just usual behaviour for portage? Is there anyway to flush the
cache files and start again with a clean emerge --sync?


--
Alex, homepage: http://www.bennee.com/~alex/
signal(i, SIG_DFL); /* crunch, crunch, crunch */ -- Larry Wall in
doarg.c from the perl source code

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Re: [gentoo-user] Should emerge --sync be so slow?

[Richard Fish]

Alex Bennee wrote:

>As my system has become more lived in I've noticed the time taken to
>update the cache at the end of an emerge --sync is getting slower and
>slower. The system will hang around 50% for a long time and thrash the
>crap out of the disks.
>
>Is this just usual behaviour for portage? Is there anyway to flush the
>cache files and start again with a clean emerge --sync?
>  
>

Well, you could try this:

http://gentoo-wiki.com/TIP_speed_up_portage_with_cdb

Several people here (including me) are using this without any bad effects.

You might also consider putting /usr/portage on it's own filesystem.  
That would keep the disk accessed confined to a small portion of the 
disk.  The size should be 1-3G depending upon whether you keep distfiles 
and packages on the same filesystem or not.

-Richard

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Re: [gentoo-user] Should emerge --sync be so slow?

[A. Khattri]

On Wed, 19 Oct 2005, Richard Fish wrote:

> Well, you could try this:
>
> http://gentoo-wiki.com/TIP_speed_up_portage_with_cdb
>
> Several people here (including me) are using this without any bad effects.

I noticed this broke after the recent Python upgrade - I had to remove the
module to run emerge.


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Re: [gentoo-user] Should emerge --sync be so slow?

[Dave Nebinger]

On Thursday 20 October 2005 01:19 am, A. Khattri wrote:
> On Wed, 19 Oct 2005, Richard Fish wrote:
> > Well, you could try this:
> >
> > http://gentoo-wiki.com/TIP_speed_up_portage_with_cdb
> >
> > Several people here (including me) are using this without any bad
> > effects.
>
> I noticed this broke after the recent Python upgrade - I had to remove the
> module to run emerge.

Yes, but all you need to do is (as the python update ebuild reported but many 
of us missed) run python-updater and it would have resolved the issue.

It was due to relocation of the libraries for py 2.4 vs 2.3

Run python-updater and then restore the cdb module.
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Re: [gentoo-user] Should emerge --sync be so slow?

[Andrew Kirilenko]

Hello!

On Thursday 20 October 2005 03:26, Richard Fish wrote:
> Alex Bennee wrote:
> >As my system has become more lived in I've noticed the time taken to
> >update the cache at the end of an emerge --sync is getting slower and
> >slower. The system will hang around 50% for a long time and thrash the
> >crap out of the disks.
> >
> >Is this just usual behaviour for portage? Is there anyway to flush the
> >cache files and start again with a clean emerge --sync?
>
> Well, you could try this:
>
> http://gentoo-wiki.com/TIP_speed_up_portage_with_cdb
>
> Several people here (including me) are using this without any bad effects.
>
> You might also consider putting /usr/portage on it's own filesystem.
> That would keep the disk accessed confined to a small portion of the
> disk.  The size should be 1-3G depending upon whether you keep distfiles
> and packages on the same filesystem or not.

I do have portage on the separate partition, but this caching process is 
_DAMN_ slow. I remember times when it was really, really fast. WTF?

>
> -Richard

Best regards,
Andrew.
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Re: [gentoo-user] Should emerge --sync be so slow?

[Paul Varner]

On Thu, 2005-10-20 at 18:48 +0400, Andrew Kirilenko wrote:
> I do have portage on the separate partition, but this caching process is 
> _DAMN_ slow. I remember times when it was really, really fast. WTF?

http://bugs.gentoo.org/show_bug.cgi?id=108412

Regards,
Paul
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