# Package org.apache.ignite.internal.processors.cache.persistence.metastorage

Interface Summary
MetastorageBPlusIO
MetastorageLifecycleListener: Listener for events of metastore lifecycle.
MetastorageRow: BPlus row hierarchy is broken.
ReadOnlyMetastorage
ReadWriteMetastorage

Class Summary
MetaStorage: General purpose key-value local-only storage.
MetaStorage.TmpStorage: Temporary storage
MetastorageDataRow
MetastorageInnerIO
MetastorageLeafIO
MetastoragePageIOUtils: `MetastorageInnerIO` and `MetastorageLeafIO` use the same page format but cannot explicitly share the same implementation, because they are inherited from two independant abstract classes.
MetastorageRowStore
MetastorageRowStoreEntry
MetastorageSearchRow
MetastorageTree
MetastoreDataPageIO: Data pages IO for using with meta store.

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Ignite Database and Caching Platform | : ver. 2.10.0
Release Date | : March 10 2021