Posted Nov 10, 2011 23:13 UTC (Thu) by RogerOdle (subscriber, #60791)
Parent article: Quotas for tmpfs
I have not used quotas in a long time since I have mostly used Linux on standalone workstations for engineering purposes. As I recall, the quota mechanism is a per-user system. What may be preferable is to group ordinary users together as far as the tmp file system is concerned. Say allow all ordinary users to use up to 75% of a tmp file space reserving 25% for system use and servers.
Alternatively, the system might be setup so that system and server operations use tmp file space that is off limits to ordinary users so that user applications can not exhaust the resources required by the system. Note that it may be a matter of configuration for a particular server to use the system tmp space or the user tmp space.
In any case, it is the intention to protect the integrity of the system from user space applications.