IBM Systems Magazine, Power Systems --- IBM i digital edition, January 2009 - 37

one server node. The IT4J memory usage is also consistent and predictable, greatly simplifying the administration of multiple Java and non-Java applications running in the same partition. Even though the Classic JVM performed much better with the optimal settings, IT4J is still a vast improvement over Classic in processor and memory utilization. With additional tuning of IT4J, it’s possible that the performance difference between IT4J and Classic could widen even further. available only on IBM i, that automates the switch process. The tool takes a snapshot of the existing Java settings and then modifies the settings to use the specified Java technology. For more information on switching JVMs, see SAP note 1161275. Making the Switch Fortunately, the SAP Java application-server framework was designed to enable switching the underlying JVM technology. The capability to switch JVM technology is made possible through the Java architecture and the specifications that Java vendors must adhere to when certifying Java technology. At a high level, switching the underlying Java technologies for SAP NetWeaver is simply a matter of making configuration changes that point the SAP Java application server to the JVM’s location. Of course, other JVM configuration changes must be made, but no operating-system or application changes are required. The switch should be seamless and transparent to the users. To simplify switching JVMs, SAP provides a tool, A Great Choice IT4J 1.4.2 is part of the IBM i 6.1 operating system entitlement and is shipped as 5761-JV1, option 13. With IT4J improving processor and memor y utilization and increasing Java perfor mance and capacit y, you should discover quick response times and maximized hardware investment. IT4J optimized for SAP NetWeaver on IBM i is a great choice for running your SAP NetWeaver 2004 and SAP NetWeaver 7.0 Java workloads. Kolby Hoelzle is an advisory software engineer working at IBM development in Rochester, Minn. He has more than seven years of experience working with SAP on IBM i, including two years at SAP development in Walldorf, Germany, as part of a joint IBM-SAP development team. Kolby can be reached at hoelzle@ us.ibm.com. Still Splitting Reports By Hand? Report Manager automates report distribution and spooled file management on the IBM i. You reduce operations cost while better serving your users by delivering output to the right place, in the right form without manual intervention. Report Manager offers a complete solution for report management. Features include: V V V V V V V V V Automated repor t splitting, deliver y and archiving. Deliver y to multiple output queues, printers, and network Ids. It can even e-mail spooled files. Printing collated by recipient, form type, repor t group or deliver y point with banner pages and packing slips. Flexible subscription-based administration that eliminates programming to change distribution. Subscription options for specifying form types, copies, page selection criteria, star t/end dates and temporar y deliver y holds. Spooled file archiving for of fline storage, automatic recall and reprinting. A complete distribution histor y log and user friendly spooled file access by repor t name, date range, recipient, repor t group, deliver y point, status and output queue. Program exit points for special requirements (source code provided for creating microfiche, conver ting spooled files into PC files, managing off-line archives, driving large laser printers, etc.). No changes to existing software are required to implement repor t manager. REPORT MANAGER CALL (206) 284-5078 FOR 30-DAY TRIAL Or download it from www.gumbo.com 809 W Howe St. - Seattle, WA 98119 JANUARY 2009 ibmsystemsmag.com 37

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IBM Systems Magazine, Power Systems --- IBM i digital edition, January 2009

Table of Contents for the Digital Edition of IBM Systems Magazine, Power Systems --- IBM i digital edition, January 2009