WebOracle LAG () is an analytic function that allows you to access the row at a given offset prior to the current row without using a self-join. The following illustrates the syntax of the LAG () function: LAG (expression [, offset ] [, default ]) OVER ( [ query_partition_clause ] order_by_clause ) Web2 days ago · Replication lag is the delay between the time when data is written to the primary database and the time when it is replicated to the standby databases. In PostgreSQL, replication lag can occur due to various reasons such as network latency, slow disk I/O, long-running transactions, etc. Replication lag can have serious consequences in high ...
V$DATAGUARD_STATS - Oracle
WebOracle Standby Recovery Rate Monitoring. by Paul Moen. January 24, 2008. Posted in: Technical Track. Tags: Microsoft SQL Server, Oracle. So you have created your standby database using the RMAN DUPLICATE command, you have set the ARCHIVE_LAG_TARGET to maintain a minimum lag target, and you have sorted out those nasty datafile missing … WebFIND THE ARCHIVE LAG BETWEEN PRIMARY AND STANDBY: select LOG_ARCHIVED-LOG_APPLIED "LOG_GAP" from (SELECT MAX (SEQUENCE#) LOG_ARCHIVED FROM V$ARCHIVED_LOG WHERE DEST_ID=1 AND ARCHIVED='YES'), (SELECT MAX … how do i grow my gdp in victoria 3
ORA-16855:transport lag exceeded specific threshold
WebApr 3, 2024 · Detecting a Transport or Apply Lag using SQL. Detecting a Transport or Apply Lag using Dataguard broker. Monitoring Data Guard Configuration Health Using the Broker. Monitoring Data Guard Configuration Health Using the SQL. Solution In this Document Goal Solution Detecting a Transport or Apply Lag using SQL: WebApr 3, 2024 · Monitoring a Data Guard environment involves monitoring both the primary and all associated standby databases. This note outlines basic methods to monitoring a Data … WebObtain the redo generation history from the primary database and compare that to when the redo transport or redo apply lag started. Check if the redo generation rate is exceptionally … how much is two ounces of cheese