sysresv

The sysresv command in Linux can be used to view the currently allocated IPC resources for shared memory. The sysresv utility has been provided by Oracle since version 8i. 

The sysresv command is located at $ORACLE_HOME/bin/sysresv. You can use the sysresv command to get the shared memory segments associated with a named instance. 
You can also use the prctl command to make runtime interrogations of and modifications to the resource controls associated with an active process, task, or project on the system.

MAA GoldenGate Performance

https://www.oracle.com/technetwork/database/availability/maa-gg-performance-1969630.pdf

 

Best Practices 2017

GoldenGate 23c

https://www.oracle.com/middleware/technologies/goldengate-downloads.html

https://www.oracle.com/middleware/technologies/goldengate-downloads.html

Linux Commands

Oracle19c has a new feature called AutoUpgrade

 

Mike Dietrich has a great post about this here

 

Between Two Servers

Temporary Home for American Aero Club

HandleCollisions parameterUse the HANDLECOLLISIONS and NOHANDLECOLLISIONS parameters to control whether or not Replicat tries to resolve duplicate-record and missing-record errors when applying SQL on the target. These errors, called collisions, occur during an initial load, when data from source tables is being loaded to target tables while Oracle GoldenGate is replicating transactional changes that are being made to those tables. When Oracle GoldenGate applies the replicated changes after the load is finished, HANDLECOLLISIONS provides Replicat with error-handling logic for these collisions.

Active Active Replication Nick Wagner

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