# Package org.modeshape.jcr.journal

- Interface Summary
  Interface | Description
  --- | ---
  ChangeJournal | An entity which records all changes which occur in a repository via `ChangeSet` instances.
  ChangeJournal.Records | An `Iterable` extension which provides information about the number of entries the underlying collection holds.

- Class Summary
  Class | Description
  --- | ---
  ClusteredJournal | A `ChangeJournal` implementation which runs in a cluster and which attempts to reconcile with other members of the cluster on startup in order to retrieve missed/lost records.
  JournalRecord | A record stored by the `LocalJournal`
  LocalJournal | An append only journal implementation which stores each `ChangeSet` (either local or remove) on the local FS.

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