9.75 V$MEMOPTIMIZE_WRITE_AREA

V$MEMOPTIMIZE_WRITE_AREA displays information about fast ingest data in the large pool.

Column Datatype Description

TOTAL_SIZE

NUMBER

Total amount of memory allocated for fast ingest data in the large pool (in bytes)

USED_SPACE

NUMBER

Total amount of memory currently used by fast ingest data in the large pool (in bytes)

FREE_SPACE

NUMBER

Total amount of memory currently free for storing fast ingest data in the large pool (in bytes)

NUM_WRITES

NUMBER

Number of fast ingest insert operations for which data is still in the large pool and is yet to be written to disk

NUM_WRITERS

NUMBER

Number of clients currently using fast ingest for inserting data into the database

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