Home
Projects
A project is a container for HCL Link artifacts.
Maps
Maps define input and output specifications and mapping rules for data transformation.
Running a map
Running in a multi-threaded environment
You can run maps in a multi-threaded environment.
Verifying that the map meets basic thread-safe checks
Before you run your map, you can verify that the map meets at least the basic thread-safe checks.

Projects
A project is a container for HCL Link artifacts.
- Flows
  This documentation describes how Flows can be run from REST API, listeners, or they can be scheduled.
- Maps
  Maps define input and output specifications and mapping rules for data transformation.
  - Using Maps
  - Create maps to specify sources and targets
  - Maps and map source files
    Basic tasks involved in creating and managing maps.
  - Input and output cards
  - Card settings
  - Map rules
  - Formulating map rules
  - Functional map basics
  - Map settings
  - Configuring bursts
  - Building maps
  - Running a map
    - Running in a multi-threaded environment
      You can run maps in a multi-threaded environment.
      - Thread-safe map
        For a map to run optimally in a multi-threaded environment, when multiple occurrences of the map are instantiated, none of the resources that an individual instance of the map uses can be used by another instance of the map.
      - Verifying that the map meets basic thread-safe checks
        Before you run your map, you can verify that the map meets at least the basic thread-safe checks.
        Map settings to optimize concurrent performance
        There are values for map settings properties that you can verify to optimize concurrent performance.
        Card settings to optimize concurrent performance
        There are values for card setting properties that you can verify to optimize concurrent performance.
    - Run results
  - Managing invalid data
  - Map audit overview
  - Troubleshooting
  - Error and warning messages
- Schemas
  Use the schema designer to define, modify, and view schemas. A schema describes the syntax, structure, and semantics of your data.
- Connections and Actions
  This documentation describes connections and actions.
- Files
  Files are used in various places within HCL Link. HCL Link allows files to be uploaded to the HCL Linkserver.

Verifying that the map meets basic thread-safe checks

Before you run your map, you can verify that the map meets at least the basic thread-safe checks.

You can do some of the same checks of the map and card settings that these functions in HCL Link do to find potential threading issues. Other map usages, such as when the map is working in a flow context, or if the map rules have the RUN, GETANDSET, or PUT functions, or if the PUT function has other overrides, might also cause threading issues.

Verify that the settings for the properties have specific values for map and card settings.