8.161 V$REDO_DEST_RESP_HISTOGRAM

V$REDO_DEST_RESP_HISTOGRAM provides statistical information for each redo transport destination.

Column Datatype Description

DEST_ID

NUMBER

A nonnegative integer value representing a SYNC standby destination

TIME

VARCHAR2(20)

A text string that shows the last wall-clock time that a bucket was hit

DURATION

NUMBER

A positive integer value that represents a bucket of seconds, 1, 2, 3, up to 300 seconds, followed by 5 additional buckets that represent 600, 1200, 2400, 4800, and 9600 ( >= 4801) seconds

FREQUENCY

NUMBER

A nonnegative integer that shows the number of times a particular bucket was hit by the destination specified by DEST_ID

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