7.128 V$CLASS_CACHE_TRANSFER

V$CLASS_CACHE_TRANSFER is deprecated. The information that was provided in this view is now provided in the V$INSTANCE_CACHE_TRANSFER and V$SEGMENT_STATISTICS views.

Column Datatype Description

CLASS

CHAR(10)

Block class; always data block

X_2_NULL

NUMBER

Number of blocks with Exclusive-to-NULL conversions; always 0

X_2_NULL_FORCED_WRITE

NUMBER

Number of Exclusive-to-NULL forced writes; always 0

X_2_NULL_FORCED_STALE

NUMBER

Number of Exclusive-to-NULL blocks converted to CR; always 0

X_2_S

NUMBER

Number of blocks with Exclusive-to-Shared conversions; always 0

X_2_S_FORCED_WRITE

NUMBER

Number of Exclusive-to-Shared forced writes; always 0

S_2_NULL

NUMBER

Number of blocks with Shared-to-NULL conversions; always 0

S_2_NULL_FORCED_STALE

NUMBER

Number of Shared-to-NULL blocks converted to CR; always 0

NULL_2_X

NUMBER

Number of blocks with NULL-to-Exclusive conversions; always 0

S_2_X

NUMBER

Number of blocks with Shared-to-Exclusive conversions; always 0

NULL_2_S

NUMBER

Number of blocks with NULL-to-Shared conversions; always 0

CR_TRANSFER

NUMBER

Number of CR blocks transferred; always 0

CURRENT_TRANSFER

NUMBER

Number of current blocks transferred; always 0

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