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Travels with Mark: A Hitchhiker's Guide to the UniVerse, Part 1: Profiling the UniVerse
UniVerse DBA and developers need a tool to help understand how the decisions about database operations and constructs affect performance. This tutorial introduces the UniVerse Profiler for constructing, running, and reporting tests which investigate the performance impact of different program options and system tuning decisions. Future articles will provide examples using the Profiler so you can see the impact on your own system. 		Tutorials 22 Dec 2005  
 
Travels with Mark: A Hitchhiker's Guide to the UniVerse, Part 2: Sizing hashed files in UniVerse
UniVerse DBAs and developers need tools to help them understand how their decisions about record size and file sizing affect the performance of their applications. This set of tutorials explores the performance characteristics of different separations, various record sizes, and how application usage patterns should determine file-sizing criteria. 		Tutorials 30 Mar 2006  
 
Travels with Mark: A Hitchhiker's Guide to the UniVerse, Part 6: File opens – The cost
In this installment of the UniVerse performance series, explore the cost of opening files in BASIC programs. Measure opening simple hash files, dynamic files, and directory files, and measure the impact of adding indices to files. Time open distributed files, with and without indices, and examine variations by looking at OPENSEQ and OPENPATH. 		Tutorials 13 Nov 2008  
 
Travels with Mark: A Hitchhiker's Guide to the UniVerse, Part 5: Increase dynamic array processing performance in IBM UniVerse
Investigate the effects of field-level caching in dynamic array access, in part 5 of the UniVerse performance series. 		Tutorials 24 Jan 2008  
 
Travels with Mark: A Hitchhiker's Guide to the UniVerse, Part 4: File and performance implications
UniVerse DBAs and developers need a tool to help them understand how their decisions about record size and file sizing affect the performance of the application. This set of tutorials explores the performance characteristics of different separations, various record sizes, and how application usage patterns should determine file sizing criteria. This tutorial examines the inner workings of dynamic linear hash files and concludes the examination of separation selection with some additional facets of sizing files with the impact of certain data access patterns. 		Tutorials 30 Nov 2006  
 
U2
The IBM extended relational databases, UniData and UniVerse (U2), offer high performance, scalable information management environments for embedding in vertical applications. developerWorks is the technical resource center for DB2 U2, including technical articles, documentation, support, and more. 		03 Sep 2009  
 
Travels with Mark: A Hitchhiker's Guide to the UniVerse, Part 3: Sizing hashed files: Oversize records
UniVerse DBAs and developers need a tool to help understand how their decisions about record size and file sizing affect the performance of the application. This set of tutorials explores the performance characteristics of different separations, various record sizes, and how application usage patterns should determine file sizing criteria. 		Tutorials 22 Jun 2006  
 
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