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Data warehousingIn addition to designing and implementing Informix® dimensional databases, you can use tools to create data warehouse applications and optimize your data warehouse queries. The resources that are external to the information center are marked as such.
Informix® Warehouse AcceleratorThe Informix® Warehouse Accelerator Administration Guide includes information about installing and configuring the accelerator server, creating data marts, accelerators, and accelerated query tables (AQTs).
ConfigurationYou must configure the accelerator server to work with the Informix® database server.
The ondwa utilityUse the ondwa utility to set up and work with the accelerator server.

The ondwa utility

Use the ondwa utility to set up and work with the accelerator server.

Prerequisites

The ondwa utility is a Bash shell script. Because the accelerator server is supported only on Linux™ operating systems, the ability to run Bash shell scripts is built into the operating system. The following prerequisites must be installed on the machine where you installed the accelerator server:

Telnet client program
Expect utility
su command
User informix must exist

The ondwa utility directory

The ondwa utility is located in the $IWA_INSTALL_DIR/bin directory.

Running the ondwa utility in a cluster system

If you have installed Informix® Warehouse Accelerator on a cluster system, you can run the ondwa command from any cluster node. The ondwa command will run on all cluster nodes listed in the $IWA_INSTALL_DIR/dwa/etc/cluster.conf file.

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