TMF Introduction (H06.03+)

Contents
HP NonStop TMF Introduction—540134-001
iii
4. Application Performance
4. Application Performance
Performance Comparison 4-1
Performance Versus Transaction Size 4-2
Writes to Database Files 4-3
Writes to Audit Trail Files 4-5
Performance Versus Transaction Rate 4-5
5. TMF Application Programming
Overview of Application Programming 5-1
TMF Functions in Application Programming 5-1
The Requester/Server Model 5-2
Accessing and Locking Data 5-2
Controlling Transaction Isolation 5-3
Accessing SQL Data 5-5
Accessing Enscribe Data 5-5
Managing Deadlock 5-7
Controlling Transactions 5-8
Transaction Control for Single-Threaded Design 5-8
Transaction Control for Multithreaded Design 5-9
Designing Applications for the Pathway Environment 5-9
Assigning Roles to Application Modules 5-9
Developing Requesters Using SCREEN COBOL 5-11
Developing Servers for Database Access 5-12
Summary of Transaction Design Tasks for Applications in the Pathway
Environment 5-16
6. TMF System Management
TMFCOM Command Interpreter 6-1
Subsystem Programmatic Interface (SPI) 6-2
TMF Process Communication 6-3
Event Management 6-4
Tasks for Managing TMF 6-5
Configuring TMF 6-5
Designating Audited Files 6-5
Specifying Compression of Selected Audit Records 6-5
Managing Audit and Online Dumps 6-6
Monitoring TMF 6-6
Managing the TMF Catalog 6-6