btrfsbuilder

Adrian Friedli adi at koalatux.ch
Thu Dec 2 00:01:29 UTC 2010


Hi!

On Tuesday 30 November 2010 14.47:40 Adrian von Bidder wrote:
> On a sudden inspiration I thought
> that I'm probably not the first to think of this ...

:-)

> Do others have experiences with btrfsbuilder?  Are there plans to integrate
> it with pbuilder directly?  Current issues / obvious improvements etc?

I don't know of anyone else using btrfsbuilder. I didn't plan in integrating 
it with pbuilder, but I would highly appreciate it.

I don't build packages that often, but I didn't experience any problems so 
far. Some improvements would be:
* configurability through config files and command line options
* checking of options passed to pbuilder (disallow --basetgz and --no-targz)
* traps for signals (or maybe it's up to to user to clean up if he kills 
btrfsbuilder?)
* a manpage

When time allows, I will implement some of these improvements soon.

How do you thought of integrating it with pbuilder? Have it as a wrapper 
script and ship it in the same package or integrate it in the pbuilder script 
itself?

> On a first try, it works, but integration with eatmydata is highly
> desirably, as the many fsync() calls from dpkg hurt performance in btrfs a
> lot more than in ext3.

I didn't know eatmydata yet, it sounds promising and has a nice name for a 
package :-). I haven't looked at it yet, but wouldn't it be best when 
integrated in pbuilder itself?

Cheers, Adi

-- 
Sent from my computer.



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