V$FAST_START_SERVERS

V$FAST_START_SERVERS provides information about all the recovery workers performing parallel transaction recovery.

Column	Datatype	Description
STATE	VARCHAR2(11)	State of the server (IDLE or RECOVERING)
UNDOBLOCKSDONE	NUMBER	Number of undo blocks done so far
PID	NUMBER	Process ID
XID	RAW(8)	Transaction 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