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3,906 commits this week Apr 15, 2026 - Apr 22, 2026
Implement randomised ledger state snapshot delay
- LedgerDBEnv: rename ldbLastSnapshotWrite to ldbLastSnapshotRequestedAt. Track the request time rather than the time a snapshot actually finished.
- implTryTakeSnapshot: add a `delay` argument. How long should we block before actually taking the snapshot after determining the slots to snapshot
- add `cdbSnapshotDelayRNG` and use this to determine how long we should wait before taking a snapshot
- add orphan `NoThunks` `StdGen` instance
- add `cdbsSnapshotDelayRNG to `ChainDbSpecificArgs`
- add `onDiskSnapshotDelayRange` to `SnapshotPolicy` to allow configuration of the delay between a snapshot being requested and being taken
- add LedgerDB snapshot delay trace events. Use these events in the test suite to ensure we don't add blocks while snapshots are occurring (and therefore make an accurate number of snapshots).
- add a test ensuring that blocks can be added while a snapshot is enqueued
- ledgerDbMaintenaceThread -> ledgerDbMaintenanceThread
- Trace slots of delayed snapshots