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RedbLogStorage

nodedb_cluster::raft_storage

Struct RedbLogStorage 

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pub struct RedbLogStorage { /* private fields */ }
Expand description

Persistent Raft log storage backed by redb.

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impl RedbLogStorage

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pub fn open(path: &Path) -> Result<Self>

Open or create storage at the given path.

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impl LogStorage for RedbLogStorage

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fn append(&mut self, entries: &[LogEntry]) -> Result<()>

Persist log entries (must be durable before returning).
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fn truncate(&mut self, index: u64) -> Result<()>

Truncate log entries from index onward (inclusive).
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fn load_entries_after(&self, snapshot_index: u64) -> Result<Vec<LogEntry>>

Load all entries after snapshot_index on startup.
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fn compact(&mut self, index: u64, term: u64) -> Result<()>

Compact: discard entries up to index, save snapshot metadata.
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fn snapshot_metadata(&self) -> (u64, u64)

Return (last_included_index, last_included_term) of the latest snapshot.
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fn save_hard_state(&mut self, state: &HardState) -> Result<()>

Persist hard state (current_term, voted_for).
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fn load_hard_state(&self) -> Result<HardState>

Load hard state on startup.

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