Apache BookKeeper · Schema

LedgerMetadata

Metadata for a single BookKeeper ledger.

ApacheDistributed SystemsLog StorageOpen SourceStorageStreaming

Properties

Name Type Description
ledgerId integer Unique identifier of the ledger.
ensembleSize integer Number of bookies in the ensemble.
writeQuorumSize integer Number of bookies to write to per entry.
ackQuorumSize integer Number of acks required before an entry is considered written.
state string State of the ledger (OPEN or CLOSED).
length integer Total byte length of the ledger.
lastEntryId integer ID of the last entry in the ledger.
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