[Debian-med-packaging] Bug#841073: python-ruffus: Needs 18 GB of RAM to build

[Andreas Tille]

Hi Leo,

I've received a bug report which claims that ruffus probably consumes a
lot of memory in its test suite.  While I do not really like to cut from
the testing quality I wonder whether you are aware of this issue and
could find a way to reduce the memory consumption of the test suite.

Kind regards

      Andreas.

On Mon, Oct 17, 2016 at 02:23:50PM +0200, Santiago Vila wrote:
> Package: src:python-ruffus
> Version: 2.6.3+dfsg-4
> Severity: wishlist
> 
> Hello Andreas and debian-med.
> 
> I noticed that this package requires 18 GB of RAM to build
> (as measured by Committed_AS in /proc/meminfo).
> 
> In theory, there is no limit at all regarding how much RAM a package
> may need to be built (there is absolutely no policy about that).
> [ This is the reason why I'm reporting this as wishlist ].
> 
> In practice, packages like this one represent a real challenge.
> 
> To put things in perspective: I routinely try to build all source
> packages generating at least one "Arch: all" binary package.
> 
> I have collected memory usage for 16500 of those, and currently I can
> build all of them but this one and "axiom" with only 8 GB of RAM.
> 
> This makes python-ruffus to be a real "outlier" (in statistical terms).
> 
> Would be possible to change the build system slightly so that this big
> amount of memory required to build is reduced significantly?
> (say, reducing it to a half or a quarter).
> 
> Note: I think it's not the build itself what uses so much memory but
> the tests that are performed at the end.
> 
> Thanks.
> 
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