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cookbooks-bookkeepermetadata.md

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cookbooks-bookkeepermetadata
BookKeeper Ledger Metadata

Pulsar stores data on BookKeeper ledgers, you can understand the contents of a ledger by inspecting the metadata attached to the ledger. Such metadata are stored on ZooKeeper and they are readable using BookKeeper APIs.

Description of current metadata:

Scope Metadata name Metadata value
All ledgers application 'pulsar'
All ledgers component 'managed-ledger', 'schema', 'compacted-topic'
Managed ledgers pulsar/managed-ledger name of the ledger
Cursor pulsar/cursor name of the cursor
Compacted topic pulsar/compactedTopic name of the original topic
Compacted topic pulsar/compactedTo id of the last compacted message