V$LOGSTDBY_PROCESS

V$LOGSTDBY_PROCESS displays dynamic information about what is happening to the Data Guard log apply services. This view is very helpful when diagnosing performance problems during the logical application of archived redo logs to the standby database, and it can be helpful for other problems. This view is for logical standby databases only.

Column	Datatype	Description
`SID`	`NUMBER`	The session id of the associated session. This matches the `SID` column of the corresponding row in the `V$SESSION` view.
`SERIAL#`	`NUMBER`	The serial number of the associated session. (`SID`,`SERIAL#`) together uniquely identifies the session in the current database instance.
`LOGSTDBY_ID`	`NUMBER`	Parallel query slave ID
`SPID`	`VARCHAR2(12)`	This corresponds to the SPID value of the row corresponding to this process in the `V$PROCESS` view
`TYPE`	`VARCHAR2(30)`	The role that the process plays in the context of SQL Apply. Can take one of the following values: `COORDINATOR`, `APPLIER`, `ANALYZER`, `READER`, `PREPARER`, or `BUILDER`
`STATUS_CODE`	`NUMBER`	Operation code identifying the current action of the process
`STATUS`	`VARCHAR2(256)`	Description of the current action of the process
`HIGH_SCN`	`NUMBER`	Identifies the highest redo record/LCR processed by this process