Degraded objects0 to 100 %
Misplaced objects0 to 100 %
Client P951 to 1000 ms
Maximum OSD utilization0 to 100 %
Recovery progress0 to 100 %
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a08/ceph-recovery-backfill
Ceph Recovery and Backfill
Predict RADOS recovery and rank backfill, priority or client-throttling actions.
Prediction improvement98.47%
Planning top-1100%
Critical violations0
Runtime p950.17 ms
Training sourceA08 Ceph recovery simulator v0.1
Training transitions3,200
Held-out one-step error0.15%
Held-out improvement97.80%
Interactive package
Change the context. Compare the plans.
The local runtime evaluates candidate control sequences, predicts their trajectories and rejects plans outside the declared envelope.
Live runtime
Plan from system state
Observed stateValues observed at H0
Planner search7 candidates · H6
Default recoveryPrioritize recoveryLimit backfillThrottle clientsMark OSD inPause recovery
Set the current telemetry, choose a goal and run the planner.
Results include actions, predicted state and constraint checks.World contract
One bounded Ceph RADOS cluster recovering placement groups after an OSD event.
Temporal unit: minute. Supported horizons: 1, 4, 8.
Default recoverydefault recovery
Prioritize recoveryprioritize recovery
Limit backfilllimit backfill
Throttle clientsthrottle clients
Mark OSD inmark osd in
Pause recoverypause recovery
Restore redundancy4 declared targets
client latencycritical · lte 850
backfill fullcritical · lte 95
degraded boundaryhard · lte 85
Package record
Everything required to inspect and run this world.
Package digest
sha256:d967b7c57a689fa5cd304858e254f4be2f073ec7254d573cafb38f0ad864eb17world.jsonScope, lineage and runtime contract
model artifact285 parameter transition profile
schemas/State, action and goal validation
eval/40 registered cases and result digest
Declared limitationsSimulation-trained on one bounded RADOS topology and synthetic client IO.No CRUSH-map redesign, multi-site replication or device-specific failure prediction.OSD and recovery actions remain advisory.