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Oracle® Database Reference
12c Release 1 (12.1)

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V$JAVA_LIBRARY_CACHE_MEMORY displays information about memory allocated to library cache memory objects in different namespaces for Java objects. A memory object is an internal grouping of memory for efficient management. A library cache object may consist of one or more memory objects.

Column Datatype Description
LC_NAMESPACE VARCHAR2(15) Library cache namespace
LC_INUSE_MEMORY_OBJECTS NUMBER Number of library cache memory objects currently in use in the Java pool
LC_INUSE_MEMORY_SIZE NUMBER Total size of library cache in-use memory objects (in megabytes)
LC_FREEABLE_MEMORY_OBJECTS NUMBER Number of freeable library cache memory objects in the Java pool
LC_FREEABLE_MEMORY_SIZE NUMBER Size of library cache freeable memory objects (in megabytes)
CON_ID NUMBER The ID of the container to which the data pertains. Possible values include:
  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data