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Note: Before using this information and the product it supports, read the information in “Notices” on page vii. First Edition (April 2013) This edition applies to IBM Business Process Manager V8.0, IBM Integration Designer V8.0, and IBM Business Monitor V8.0. © Copyright International Business Machines Corporation 2013. All rights reserved. Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
Contents Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix The team who wrote this paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix Now you can become a published author, too! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .x Comments welcome. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .x Stay connected to IBM Redbooks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .x Chapter 1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Products covered in this publication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.2 Publication structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Chapter 2. Architecture best practices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.1 Top tuning and deployment guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2 Modeling and developing applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2.1 Common best practices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.2.2 Process Designer architecture best practices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.2.3 Integration Designer best practices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.3 Topology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.3.1 Deploy appropriate hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.3.2 Deploy local modules in the same server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2.3.3 Best practices for clustering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2.3.4 Evaluate service providers and external interfaces. . . . . . . . . . . . . . . . . . . . . . . . 15 2.4 Client environments (Process Portal, Process Designer, Business Space) . . . . . . . . . 16 2.4.1 Optimize the topology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.4.2 Use a high-performing browser. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.4.3 Enable browser caching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.4.4 Locate servers physically near clients, and databases physically near servers . . 18 2.4.5 Use modern desktop hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.5 Large objects (LOBs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.5.1 Factors affecting LOB size processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.5.2 Large object design patterns. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.5.3 Data management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2.6 Considerations for 64-bit mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2.7 Business Monitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2.7.1 Event processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2.7.2 Dashboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2.7.3 Database server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Chapter 3. Development best practices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3.1 Process Designer development best practices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 3.1.1 Clear variables in exposed human services that are not intended to end. . . . . . . 24 3.1.2 Do not use multi-instance loops in the system lane or for batch activities . . . . . . 24 3.1.3 Use conditional joins only when necessary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 3.1.4 Guidelines for error handling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 3.1.5 Use sequential system lane activities efficiently . . . . . . . . . . . . . . . . . . . . . . . . . . 26 3.1.6 Ensuring the Process Center is tuned. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.1.7 Using a fast connection between Process Designer and Process Center . . . . . . 27 © Copyright IBM Corp. 2013. All rights reserved. iii
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