Download PDF (1.3 MB) - IBM Redbooks

4.15.4 Sizing log files appropriately . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
4.15.5 Using the Oracle SQL Tuning Advisor for long running SQL statements . . . . . . 89
4.15.6 File system tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
4.15.7 Creating table spaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
4.15.8 Special considerations for large objects (LOBs) . . . . . . . . . . . . . . . . . . . . . . . . . 90
4.15.9 Setting prepared statement cache size. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
4.15.10 Specific tuning parameter recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . 90
4.15.11 Suggestions for Business Process Execution Language business processes . 91
4.16 Advanced Java heap tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
4.16.1 Monitoring garbage collection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
4.16.2 Setting the heap size for most configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
4.16.3 Setting the heap size when running multiple JVMs on one system . . . . . . . . . . 94
4.16.4 Reducing or increasing heap size if OutOfMemory errors occur . . . . . . . . . . . . 94
4.17 Tuning for WebSphere InterChange Server migrated workloads . . . . . . . . . . . . . . . . 95
Chapter 5. Initial configuration settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
5.1 Business Process Manager server settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
5.1.1 Three-tiered: Using BPEL business processes with web services and remote DB2
system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
5.1.2 Three-tiered: Using Human Services with BPMN business processes. . . . . . . . 101
5.1.3 Two-tiered: Using file store for Java Message Service. . . . . . . . . . . . . . . . . . . . 102
5.2 Mediation Flow Component settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
5.2.1 Mediation Flow Component common settings . . . . . . . . . . . . . . . . . . . . . . . . . . 104
5.2.2 Mediation Flow Component settings for web services . . . . . . . . . . . . . . . . . . . . 104
5.2.3 Mediation Flow Component settings for Java Message Service. . . . . . . . . . . . . 104
5.2.4 DB2 settings for Java Message Service persistent. . . . . . . . . . . . . . . . . . . . . . . 105
Related publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
IBM Redbooks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Online resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
How to get Redbooks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Help from IBM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
vi
IBM Business Process Manager V8.0 Performance Tuning and Best Practices