The following terms appear throughout this document.
Term |
Definition |
---|---|
ETL |
Extract, Transform, and Load |
GUI |
Graphical User Interface |
JAS |
Java Application Server |
JVM |
Java Virtual Machine |
RC |
ReportCaster |
ROT |
Rule of thumb |
SLA |
Service Level Agreement |
SME |
Subject Matter Expert |
UOW |
Unit of Work |
WRS |
WebFOCUS Reporting Server |
WWDF |
WebFOCUS Workload Distribution Facility |
Layer |
Defined as those components that execute a specific function. |
Data Layer |
Database Server/Servers. This layer supports the processing of SQL queries and data processing. |
Reporting and Metadata Layer |
WebFOCUS Reporting Server. This layer supports secure access to WebFOCUS, data, and metadata. |
Presentation Layer |
WebFOCUS Client and ReportCaster. This layer interacts directly with the user through GUI implementations. |
Tier |
Machine or machines that host either the Data Layer, Reporting and Metadata Layer, or Presentation Layer. |
Workload |
Overall workload on each machine of each tier. |
Query workload |
Grouping of report functions and defined as guided ad hoc reporting, batch reporting, and ad hoc reporting. |
Guided ad hoc workload |
Collection of reports, which may be parameterized, but cannot be updated by a user. It can only be executed as is. |
Ad hoc workload |
Reports that can be created from the Presentation Layer by power or analytical users. |
Batch workload |
Reports that are run and distributed in batch mode. |
Integrated workload |
This is a mix of guided ad hoc, ad hoc, and batch queries that simulate mixed usage patterns. |
Information Builders |