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Venky Shankar, 04/22/2021 01:50 PM
CephFS Code Walkthroughs¶
The CephFS Code Walkthrough meetings will be used to establish a durable knowledge base for CephFS developers.
This weekly meeting will occur every Monday at 14:00 UTC / 10 AM EDT at: https://bluejeans.com/908675367
Developers may pick a topic from the below list or create their own.
Scheduled Topics¶
2021-04-26: Patrick Donnelly - MDSMonitor
Open Topics¶
- High-level Overview of the MDS (overall design, function and flow)
- Capability Revoke
- Capability Grant
- cephfs-data-scan
- MDS Scrub
- MDS path traversal
- Client path traversal
- MDS Balancer (!Migration)
- MDS Migrator
- MDS Locker (break up as necessary, very large topic)
- MDS MDCache rejoin
- MDS MDCache resolve
- MDS CDir (directory fragment)
- MDS CDir Fragment/Merge
- MDS Subtree management
- MDS OpenFileTable
- MDS <-> MDS messages
- Client auth MDS picking for requests
- MDS Journal on-disk format (cephfs-journal-tool examples)
- MDS on-disk metadata format (CInode, CDir, CDentry)
- rstats
- MDS session map (reset too as part of disaster recovery)
- MDSMap/FSMap
- MDS journal trimming
- MDS Stray directory / hard link reintegration
- MDS stats reporting (MDSPinger/MetricAggregator/MetricsHandler)
- MDS Context (within MDS and Ceph in-general)
- osdc/Journaler
- osdc/Filer + osdc/ObjectCacher
- Snapshots
Past Topics¶
2021-04-19: Venky Shankar - CephFS Mirroring https://www.youtube.com/watch?v=nZSN1zkSXSs
Updated by Venky Shankar about 3 years ago · 18 revisions