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Feature #47034
openmds: readdir for snapshot diff
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Source:
Development
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Component(FS):
MDS
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Description
make readdir return changed/removed dentries since given snapshot
Updated by Patrick Donnelly over 3 years ago
- Category set to Performance/Resource Usage
- Source set to Development
- Component(FS) MDS added
cephfs-mirror could use this to read the changes to entire subtrees (not just a single directory) given a snapshot.
Updated by Venky Shankar over 3 years ago
Hey Zheng,
CephFS snapshot mirror would make use of rctime approach. That needs PR https://github.com/ceph/ceph/pull/32126 for recursive accounting fixes.
This tracker is an alternate approach to the above, right? Or, are you proposing that we do not make use to recursive stats and implement changes mentioned in this tracker?
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