The SAP Lock Concept (BC-CST-EQ)
SAP Lock Concept
Relationship Between SAP Locks and Database Locks
Enqueue Server
Lock Owners
_SCOPE Parameter
Lock Table
Collision Check of Locks
Cumulation of Locks
Optimistic Locks
How Optimistic Locks Work
Optimistic Lock Conflicts
Programming with Optimistic Locks
Frequently Asked Questions: Lock Concept
Standalone Enqueue Server Test
High Availability with the Standalone Enqueue Server
The Replication Process
Polling Concept
Working with the Backup File
Installing the Standalone Enqueue Server
Start Profiles
Instance Profiles
Configuring the Enqueue Server in an HA Environment
Monitoring the Standalone Enqueue Sever
Profile Parameter Settings for the Standalone Enqueue Server
Profile Parameters for the Enqueue Clients
Profile Parameters for the Standalone Enqueue Server
Profile Parameters for the Enqueue Replication Server
Important Profile Parameters for the Lock Concept
Profile Parameter Settings for the Standalone Enqueue Server
Lock entries, ManagingManaging, Lock entriesUse
Choosing and Displaying Lock Entries
Deleting Lock Entries
Testing the Lock Management
Displaying Lock Statistics
Subsequent Analysis of Lock Table Overflows
Analyzing and Solving Problems