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Date:	Thu, 12 Dec 2019 23:25:22 -0800
From:	L A Walsh <cygwin AT tlinx DOT org>
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To:	cygwin AT cygwin DOT com
Subject:	Re: non-persistant storage?
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On 2019/12/12 22:26, Brian Inglis wrote:
>
>
> I've been using /run, with /var/run as a symlink to that, created in a permanent
> postinstall script /etc/postinstall/zp_mk_run_var_links.dash (with some others),
> for some time. It's currently using ~28KB.
>
> Is it feasible to mount /run on say /dev/shm/run and create and use files there?
>   
I don't see why you would need to change what you are doing unless your 
application
whines about the symlink.  I.e. VirtualBox didn't like me using a symlink
in /opt to /home/opt on linux, so I mounted it w/a line in fstab.

/home/opt /opt  none  rbind 0 0

> Or would it be more feasible to use say Cyg/WinFUSE to provide that function?
>   
I don't know the state of cyg's support in those areas, so if you were 
forced
to change, you'd get to do your own testing to see what worked, etc.

I went one further under 'run' and 'tmp' -- I left those as public 
directories
and put my UID or login name as my own directory under the common name.

yeah 28k is nothing.  I was using files measured in MBytes though the 
[server]
system has over 100GB mem.  The communication goes through unix-sockets, 
which
also goes through /dev/shm, but its cleanup is technically the 
responsibility
of the OS, so, if lucky -- it cleans it up, if not, no worse off than 
before.

I don't run many OS progs on my Win machine cuz Win tended to flake out 
in running
tasks and wouldn't say anything when it went wrong.

So now, I just have a cronjobs on my linux server that use ssh to login 
to run
jobs on windows...

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