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  1. Introduction
  2. Configuring Hub Console Tools
  3. Building the Data Model
  4. Configuring the Data Flow
  5. Executing Informatica MDM Hub Processes
  6. Configuring Application Access
  7. MDM Hub Properties
  8. Viewing Configuration Details
  9. Search with Solr
  10. Row-level Locking
  11. MDM Hub Logging
  12. Table Partitioning
  13. Collecting MDM Environment Information with the Product Usage Toolkit
  14. Glossary

Setting the LANG Environment Variables and Locales (UNIX)

Setting the LANG Environment Variables and Locales (UNIX)

To ensure consistent processing of UTF-8 data throughout the MDM Hub, set the correct locales and the LANG environment variables for UNIX servers that host the application server.
On all the systems in the MDM Hub, including databases and servers, set the following environment variables:
  • export LC_ALL=en_US.UTF-8
  • export LANG=en_US.UTF-8
  • export LANGUAGE=en_US.UTF-8
For Oracle environments, set the following environment variable:
  • export NLS_LANG=AMERICAN_AMERICA.AL32UTF8
For example, the default LANG environment variable for the United States is
export LANG=en_US
Therefore, when you use UTF-8, use the following command to configure the LANG environment variable:
export LANG=en_US.UTF-8
If multiple applications are installed on a machine, and all correct locales are also installed, then you can set the correct environment variable for the profile that starts the application. If the same user profile starts multiple applications, then you can set the environment variable locally in the start-up script of the applications. This ensures that the environment variable is applied locally, and only within the context of the application process.
Usually, all LANG environment variables have the same setting, but you might use different settings. For example, if the interface language is in English but the data that you must sort is in French, then set LC_MESSAGES to en_US and LC_COLLATE to fr_FR. If you do not need to use different LANG settings, then set LC_ALL or LANG.
An application uses the following rules to determine the locale to be used:
  • If the LC_ALL environment variable is defined and is not null, then the application uses the value of LC_ALL.
  • If the appropriate component-specific environment variable, such as LC_COLLATE, is set and is not null, then the application uses the value of this environment variable.
  • If the LANG environment variable is defined and is not null, then the application uses the value of LANG.
  • If the LANG environment variable is not set or is null, then the application uses an implementation-dependent default locale.
If you must use different locales for different scenarios, then do not set LC_ALL.

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