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Re: Moving /tmp to tmpfs makes it useless

Salvo Tomaselli <tiposchi@tiscali.it> writes:

>> So what?  If you write to a normal file system, it goes into the page
>> cache, which is pretty much the same as writing into tmpfs.
> tmpfs will make it stay forever in the RAM, caches are flushed to disk and 
> their space can be used for new things.
>   	      	       	     	 - Ted

No, tmpfs will be swapped out if you don't use a file for a while but
something else uses memory, including IO caching. The difference to a
disk based filesystem is that most disk based filesystems force the
write out after a short wait (1-60s).


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