Sijie Guo created BOOKKEEPER-566:
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Summary: provide a bookie store interface.
Key: BOOKKEEPER-566
URL: https://issues.apache.org/jira/browse/BOOKKEEPER-566
Project: Bookkeeper
Issue Type: Improvement
Components: bookkeeper-server
Reporter: Sijie Guo
Fix For: 4.3.0
Currently, Bookie does a lot of things, managing storage, managing bookie state
(readonly or shutdown), handling zookeeper connections. It would be better to
put SyncThread, Journal and LedgerStorage under a bookie store interface. so
bookie just interacts with BookieStore for storage, interacts with ZooKeeper
for membership management and manage the state transition through a
StateTransitor (turn to readonly or shutdown).
A BookieStore interface is easy to evaluate storage performance itself, and
easy for plugging different storage implementation in future.
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