OBJECT_CACHE_OPTIMAL_SIZE

OBJECT_CACHE_OPTIMAL_SIZE specifies (in bytes) the size to which the session object cache is reduced when the size of the cache exceeds the maximum size.

Property Description
Parameter type Integer
Default value 51200000 (50M)
Modifiable ALTER SESSION, ALTER SYSTEM ... DEFERRED
Modifiable in a PDB Yes
Range of values 10 KB to operating system-dependent maximum
Basic No

The object cache is a memory block on the client that allows applications to store entire objects and to navigate among them without round trips to the server. On the server, it is used to cache frequently used objects requested as a result of client requests to help in performance.

See Also: ProC/C++ Developer’s Guide](/pls/topic/lookup?ctx=en/database/oracle/oracle-database/26/refrn&id=LNPCC4321) and [Oracle Call Interface Developer’s Guide* for information on precompiler use of the object cache