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I work on a cluster that uses a Lustre filesystem, and the administrators are able to calculate user / group usage on a daily basis. The system also uses this to calculate when users are violating their quota. So my assumption is that the total usage for a user is calculated daily, if not much more frequently.
But when I run find . -user <user>
type commands, it will take over a day to traverse the filesystem, and suck down a noticeable amount of resources in the process. It seems unlikely to me that this is how the system checks for quota violation.
Does the system have a faster method? If so, is there some way I can use it?
just realized that this question is probably more appropriate on something like serverfault, I've already flagged it... – Shep – 2014-02-20T15:31:59.807