Re: Introducing XAR - SquashFS based mountable executables - Calling OS/Distro Maintainers

This is very cool. I'm glad to see attention towards packaging useful
applications and not just libraries for web development in a virtualenv,
and the limitations of zip compression are felt by our Python applications
comprised of many separately compressed files.
Is bdist_xar calling out to pip to install all of a package's dependencies
(or all that are not already installed) into the xar as part of the build?

On Tue, Jul 17, 2018 at 10:48 PM Barry Warsaw <[email protected]> wrote:

>
> >> * Is there any practical operational or performance limits on the
> number of mounted XARs you can have?  E.g. what's the impact of deploying
> say a few thousand XARs on any particular machine (generally, of Linux and
> macOS - I'm not as concerned about Windows :)
> > We have tiers (think of that as a collection of servers for a particular
> service) that have 100s mounted at times. Have not hit 1000s - But have not
> seen any huge problems with 100s. What do your servers do that would need
> 1000s of XARs running at once? Seems like that could be optimized.
>
> I’m not thinking about just our server deployed applications, but our
> command line tools too.  Combined, that’s roughly in the ballpark of 1000
> or so Python applications (more if we count other languages).
>
> >
> >>
> >> * Do you just put the XAR mountpoint's bin on everyone's $PATH or do
> you symlink those bins into a standard $PATH location?
> > Standard PATH location via RPM installs.
>
> Cool, thanks!
>
> -Barry
>
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