[Rpm-maint] Scalability of RPM

Christoph Wissing christoph.wissing at desy.de
Tue Sep 2 09:42:15 UTC 2008

Hi Florian,

thanks a lot for your reply. Some short remarks/questions inline.

On Tue, 02 Sep 2008 11:20:24 +0200
Florian Festi <ffesti at redhat.com> wrote:

> Hi Christoph,
> I am currently working on the scalability issues in rpm.

Very good and good luck! We are intested in testing.
> Unfortunately 
> they are not very easy to fix. Huge numbers of files and large numbers 
> (>1000) of files with the same base name trigger these problems. If you 
> have a different situation I would be very interested how it looks like.

I think that is our problem. On software releases includes typically 50k file names that are almost all put to the same directory.
> You can try if the rpm versions in Fedora 9 or even Fedora 10 alpha work 
> better for you. There have been a lot of bug fixes including fixes for 
> memory problems/leaks. But the main scalability problem is still unsolved.

We are using already RPM version

But I will test the 4.6 RPM release. I hope there are not too many external dependencies. Any fixes of memory leaks would improve the situation.
> Backup your rpmdb (/var/lib/rpm) and then delete /var/lib/rpm/__db.* 
> (temporary files that depend on the exact version of rpm/the bsddb)

Our RPM database sits in a different place and does not belong root, but that does not matter.

> Florian

Best regards, Christoph

| Christoph Wissing       DESY - IT |
| E-Mail: christoph.wissing at desy.de |
| Phone:  +49(0)40/8998-4122        |

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