Dradden45

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Sep 7, 2012
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I have noticed that I have currently 5 tmpfs running on this new Centos 7 server. After doing a bit of reading as well as talking with CL support that this is a Centos 7 feature and for each new user a tmpds is being made to run the users "stuff" inside such as processes.

My concern is that each one of these tmpfs is 3GB in size which seems excessive and with 300 users on the server that is 900GB of space eaten up / wasted.

Can I run without this happening? I think it is pam_systemd that is doing this?
 

dalem

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Oct 24, 2003
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Its Ram based temp storage so it uses no disk space previous versions of centos would store these files in /tmp
if you do a df on some of the partitions you will see they use are using "0"

To address your concern, this shouldn't really be a problem unless users are consuming a lot of space in /tmp which is really swap backed memory
 
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