/tmp on tmpfs

[Reindl Harald]

Am 06.04.2012 16:38, schrieb Ralf Ertzinger:
> Hi.
> 
> On Fri, 06 Apr 2012 09:20:46 -0500, Michael Cronenworth wrote
> 
>> I have numbers to *dispute* these claims.
>>
>> (server with Apache, koji, LDAP)$ sudo du -sh /tmp
>> 396K	/tmp
>>
>> (work desktop)$ sudo du -sh /tmp
>> 352K	/tmp
>>
>> (server with Apache, bugzilla, wiki)$ sudo du -sh /tmp
>> 312K	/tmp
>>
>> (home desktop with SSDs in RAID0)$ sudo du -sh /tmp
>> 1.2M	/tmp
>>
>> I'm really not worried about IO or SSD life from /tmp usage.
> 
> I see what you're trying to say, and I tend to agree with you, but
> the amount of space consumed at any one point in time does not reflect
> the amount of IO going on on that file system.

the IO on /tmp in most worksloads is practically meaningless

in workloads where it becomes meaningfull you do NOT want
to have this hughe data in tmpfs because it is too large

there is a reason why applications are creating
temp FILES instead store anything in the memory


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