/tmp: change default to mdmfs and/or tmpfs?

[Loïc BLOT]

Hello Dmitry,
I agree with you. /tmp is a temporary filesystem. On machines (both
servers and clients), i think /tmp must be like Linux, cleared at reboot
because it's a temporary FS.
The Linux point i don't agree is size of /tmp (on Linux: ram-memory/2).
This formula is quite good for system with lower than 2Gb of RAM but i
think 2Go is sufficient to system with more RAM (we could control this a
install of in the fstab after ?).
-- 
Best regards,
Loïc BLOT, 
UNIX systems, security and network expert
http://www.unix-experience.fr




Le dimanche 09 juin 2013 à 15:45 +0400, Dmitry Morozovsky a écrit :

> Dear colleagues,
> 
> what do you think about stop using precious disk or even SSD resources for 
> /tmp?
> 
> For last several (well, maybe over 10?) years I constantly use md (swap-backed) 
> for /tmp, usually 128M in size, which is enough for most of our server needs.  
> Some require more, but none more than 512M.  Regarding the options, we use
> tmpmfs_flags="-S -n -o async -b 4096 -f 512"
> 
> Given more and more fixes/improvements committed to tmpfs, switching /tmp to it 
> would be even better idea.
> 
> You thoughts?  Thank you!
> 
> 
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