linux.conf.au/debiancon: January 2003 Debian Development List: debian-devel Subject: Re: ccache for the autobuilders? From: Paul Russell To: Junichi Uekawa , debian-devel@lists.debian.org Date: Tue, 2 Apr 2002 03:48:49 +0200 On Monday 01 April 2002 18:23, Junichi Uekawa wrote: > Martin Schulze cum veritate scripsit: > > The same package: almost never > > the same file: often, with every new compile. > > > > Just take into account that a package contains 50 .c files that need > > to be compiled. An updated package often only changes packaging or > > 10% of .c files, leaving 45 remaining the same. These 45 files would > > benefit of ccache. > > I'm pretty doubtful if ccache is able to cache so much > data. We have 5000 source packages. Looking at my testing PPC box with grep-available, we have only about 8GB total Installed-Size. So I would expect a ccache of 1GB (the default) to be a net gain, given that not all packages are built with the same regularity. 10GB should definitely do it, well within ccache's capability. -- Thanks for your mail, Paul.