Re: Fedora 34 Change: Signed RPM Contents (late System-Wide Change)

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On 1/28/21 12:21 PM, Roberto Ragusa wrote:
On 1/28/21 9:34 AM, Panu Matilainen wrote:
On 1/27/21 8:30 PM, Kevin Fenzi wrote:

SO, I don't really understand... Patrick says in the Change:

"The size of the rpmdb increases from 22952 to 28416 bytes, a 20%
increase. This is on an install size of 1.7GB in total, so this 5MB
increase is a 0.3% size increase on the final installed system."

Is that just because he used the server install with fewer files?

As directories are not signed, in a smaller installation the directory vs file ratio could be different, making the overhead smaller than in a larger install. Looking at the F33 server edition install, there are 59246 files total, 22837 of which are directories. That's a very different ratio to my laptop install where there are 402158 files total of which 70874 are directories.

So it's a case of "it depends" and it depends quite a lot. By no means the overhead is always 45% but neither is it always 20% - depending on the exact package set it can be even be quite a bit more or less than either figure.


My data point: I have 1864399 files in rpm DB (rpm -qla|wc -l).

That'd be the total number of file entries, including directories. To exclude directories, try

	rpm -qalv|grep -v ^d|wc -l

The rpm database is 770MB (du /var/lib/rpm).

For statistics, you might want to compact the db first:
	
	rpmdb --rebuilddb

Although that clearly is one *big* installation so dunno how much air there might be (or not) in that number.

	- Panu -


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