IBM Cognos Analytics server sizing requirements

Review the server sizing requirements before installing IBM® Cognos® Analytics.

Before you install the Cognos server-based products, ensure that you meet the requirements as described in Table 1.

Table 1. Analytics (IWR) Server Requirements
Characteristics Users RAM

(# of Processes * RAM)

Disk and CPU
8 catalogs

2 databases – Db2®, Oracle

10 reports per catalog

75% personnel, 25% public

200 users

10% concurrent (20)

Users are evenly distributed across catalogs.

PROCESSES

Not applicable - dynamic

TOTAL RAM = 256 - 512MB

Memory for IWR= 256 – 512 MB

Memory for NT Server = 70 MB

Memory for Web Server= 5 MB

Memory for database drivers

DISK SPACE

Temporary disk space needed for report rendering to PDF (5X final report size) and final report storage.

Temporary disk space for IWR= 1 GIG

IWR Software= 100 MB

Reports and Catalogs = 100 MB

NT Server = 500 MB

Database drivers

TOTAL Disk Space= 1.7 GIG

CPU

# of PROCESSORS = 1 scalable to 2

PROCESSOR = 200+ MHz