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Re: [PATCH 0/3] Preliminaries for headerless install callback



On 02/21/2011 04:52 PM, Chris Lumens wrote:
Obviously it depends on what exactly is getting installed, but for a
default Fedora desktop we're talking about 50MB ballpark figures.

While most headers are well below 100KB in size, 100-300KB headers
aren't rare at all, over 1MB headers do exist in Fedora and in
theory a single header can be up to 16MB.

This is pretty exciting.  I'd definitely like to first get some numbers
on memory usage during installation as it exists right now just so we
know how much these patches help later.

For a rough idea of the memory use now and later, just grab the VmRSS line from /proc/self/status before (and maybe aftertoo ) calling self.runTransaction() in AnacondaYum.

But remember, these patches don't save memory. They're just preparing anaconda for an opt-in change of /yum/ callback convention to something that uses much less memory. For a more detailed (rather lengthy) explanation and history of the topic, see
http://lists.baseurl.org/pipermail/yum-devel/2011-February/007988.html

	- Panu -


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