WAS v8.5 > ReferenceSession management tuning
WebSphere Application Server session support has features for tuning session performance and operating characteristics, particularly when sessions are configured in a distributed environment. These options support the administrator flexibility in determining the performance and failover characteristics for their environment.
Feature or option Goal Applies to sessions in memory, database, or memory-to-memory Write frequency Minimize database write operations. Database Session affinity Access the session in the same application server instance. All Multirow schema Fully utilize database capacities. Database Base in-memory session pool size Fully utilize system capacity without overburdening system. All Write contents Allow flexibility in determining what session data to write Database Scheduled invalidation Minimize contention between session requests and invalidation of sessions by the Session Management facility. Minimize write operations to database for updates to last access time only. Database Tablespace and row size Increase efficiency of write operations to database. Database (DB2 only)
Related concepts:
Scheduled invalidation
Sessions
Base in-memory session pool size
Write operations
Configure write contents
Configure write frequency
Tasks: Managing HTTP sessions
Tune the application serving environment
Tune parameter settings
Tune parameter custom settings