17.10 - Switching IPC Memory to Shared Memory - Teradata Tools and Utilities

Teradata® Tools and Utilities for IBM AIX Installation Guide

Teradata Tools and Utilities
Release Number
Release Date
June 2021
Content Type
Publication ID
English (United States)
By default, the Interprocess Communication (IPC) memory choice is memory mapped. Complete the steps below to switch to shared memory.
  1. Log on as the root user.
  2. Change directory to the Teradata Parallel Transporter installation directory:
    cd TPT_install_directory
    The path is specified in Modifying twbcfg.ini.
  3. Remove the mmap directory:
    rm -rf mmap
The change does not require a kernel rebuild or a reboot.