LISA 2002 - Technical Program Abstract
Holistic Quota Management: The Natural Path to a Better, More Efficient Quota System
Michael Gilfix - Tufts University
Pp. 21-32 of the Proceedings of LISA '02:
Sixteenth Systems Administration Conference,
USENIX Association, 2002).
Disk quota systems exist to protect a limited resource and ensure
that users can share it. However, existing quota management systems
concentrate on controlling user privileges, rather than protecting
resources. This paper suggests a new management model based upon a
holistic view of resources and their controls. By acting upon a
resource globally rather than upon individual users, the new approach
exposes trends, allows for better resource planning, and allows for
easy understanding of the impact of changes on a user's ability to
accomplish work. A new tool `Qualm' is the first component of a new
system for dynamic resource management that allows for decisions based
not upon fixed limits for resource usage, but upon limits that change
with usage patterns and demand.
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