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Architecture - DMU OSD: Difference between revisions
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Revision as of 14:01, 14 January 2010
Summary
DMU OSD is a implementation of OSD API for DMU.
Definitions
DMU is a core of ZFS.
Use Cases
ID | Quality Attribute | Summary |
---|---|---|
mount | usability | |
umount | usability | |
fid mapping | usability | how we map fids to local object id (dnode) |
async IO | performance | use async IO where possible for better performance |
swapping | performance | protect cache from swapping (actual for userspace DMU) |
Quality Attribute Scenarios
Implementation Details
here we enlist how DMU API matches OSD API